|**Share-based Compensation (Tables)**                                    | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
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|**Share-based Compensation [Abstract]**                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Summary of share-based compensation expense for options                  | The following table summarizes the share-based compensation expense for options, SSARs, restricted and performance awards included in the Consolidated Statements of Operations for fiscal2014,2013and2012:Year ended March 31,(In thousands)201420132012Product development$700$475$64Sales and marketing906565General and administrative1,3291,0982,268Total share-based compensation expense$2,119$1,638$2,397                                                                                                                                                                                                                                                                                                                                                                                                                                                         
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|                                                                         | Year ended March 31,                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|(In thousands)                                                           | 2014                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Product development                                                      | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Sales and marketing                                                      | 90                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|General and administrative                                               | 1,329                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|Total share-based compensation expense                                   | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Activity related stock options award                                     | The following table summarizes the activity during fiscal2014for stock options awarded under the 2006 Plan:(In thousands, except share and per share data)NumberofOptionsWeighted-AverageExercisePriceRemainingContractualTermAggregateIntrinsicValue(per share)(in years)Outstanding at April 1, 20131,318,000$14.07Granted——Exercised(645,500)12.50Cancelled/expired(45,000)20.19Outstanding and exercisable at March 31, 2014627,500$15.262.0$16                                                                                                                                                                                                                                                                                                                                                                                                                       
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|(In thousands, except share and per share data)                          | NumberofOptions                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
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|Outstanding at April 1, 2013                                             | 1,318,000                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Granted                                                                  | —                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Exercised                                                                | (645,500                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|Cancelled/expired                                                        | (45,000                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Outstanding and exercisable at March 31, 2014                            | 627,500                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Schedule additional information related to stock option activity         | The following table presents additional information related to stock option activity during the fiscal years ended March 31,2014,2013and2012:(In thousands)201420132012Proceeds from stock options exercised$169$67$210Total intrinsic value of stock options exercised$1,402$382$2,070                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
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|(In thousands)                                                           | 2014                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Proceeds from stock options exercised                                    | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Total intrinsic value of stock options exercised                         | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Schedule of principal assumptions utilized in valuing SSARs              | The following table summarizes the principal assumptions utilized in valuing SSARs granted in fiscal2014,2013and2012:201420132012Risk-free interest rate1.05%-1.39%0.67%-0.89%0.83%-2.09%Expected life (in years)5.05.04.5Expected volatility80.78%-80.93%81.03%-83.77%80.75%-82.20%Weighted average grant date fair value$7.96$4.92$4.73                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
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|                                                                         | 2014                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Risk-free interest rate                                                  | 1.05%-1.39%                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Expected life (in years)                                                 | 5.0                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Expected volatility                                                      | 80.78%-80.93%                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|Weighted average grant date fair value                                   | $7.96                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|Activity related SSARs award                                             | The following table presents additional information related to SSARs activity during fiscal2014,2013and2012:(In thousands)201420132012Compensation expense$611$595$1,422Total intrinsic value of SSARs exercised$2,131$373$1,871Total fair value of SSARs vesting$636$778$3,197The following table summarizes the activity during fiscal2014for SSARs awarded under the 2011 Plan and the 2006 Plan:(In thousands, except share and per share data)Numberof RightsWeighted-AverageExercisePriceRemainingContractualTermAggregateIntrinsicValue(per right)(in years)Outstanding at April 1, 2013683,119$7.27Granted119,12012.36Exercised(331,318)6.86Forfeited(149,905)8.51Cancelled/expired(4,181)7.37Outstanding at March 31, 2014316,835$9.025.4$1,388Exercisable at March 31, 2014194,023$8.465.2$959Vested and expected to vest at March 31, 2014296,192$8.945.3$1,321
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|(In thousands)                                                           | 2014                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Compensation expense                                                     | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Total intrinsic value of SSARs exercised                                 | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Total fair value of SSARs vesting                                        | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
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|(In thousands, except share and per share data)                          | Numberof Rights                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
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|Outstanding at April 1, 2013                                             | 683,119                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Granted                                                                  | 119,120                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Exercised                                                                | (331,318                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|Forfeited                                                                | (149,905                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|Cancelled/expired                                                        | (4,181                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|Outstanding at March 31, 2014                                            | 316,835                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Exercisable at March 31, 2014                                            | 194,023                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Vested and expected to vest at March 31, 2014                            | 296,192                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Activity related to restricted shares awarded by the Company             | The following table presents additional information related to restricted stock activity during fiscal years2014,2013, and2012:(In thousands)201420132012Compensation expense$1,486$989$975Total fair value of restricted share vesting$1,579$1,099$976The following table summarizes the activity during thetwelve months endedMarch 31, 2014for restricted shares awarded under the 2011 Plan:Numberof SharesWeighted-AverageGrant-Date FairValue(per share)Outstanding at April 1, 2013122,039$7.99Granted192,27512.33Vested(119,497)10.76Forfeited(56,768)10.23Outstanding at March 31, 2014138,049$10.71                                                                                                                                                                                                                                                             
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|(In thousands)                                                           | 2014                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Compensation expense                                                     | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Total fair value of restricted share vesting                             | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
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|                                                                         | Numberof Shares                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
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|Outstanding at April 1, 2013                                             | 122,039                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Granted                                                                  | 192,275                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Vested                                                                   | (119,497                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|Forfeited                                                                | (56,768                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Outstanding at March 31, 2014                                            | 138,049                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Performance shares awarded by the Company                                | The following table summarizes the activity during fiscal2014for performance shares awarded under the 2011 Plan:NumberofSharesWeighted-AverageGrant-Date FairValue(per share)Outstanding at April 1, 2013—$—Granted17,7288.64Outstanding at March 31, 201417,728$8.64                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
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|                                                                         | NumberofShares                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
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|Outstanding at April 1, 2013                                             | —                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Granted                                                                  | 17,728                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|Outstanding at March 31, 2014                                            | 17,728                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|Schedule of additional information related to performance share activity | The following table presents additional information related to performance share activity during the fiscal2014,2013, and2012:(In thousands)201420132012Compensation expense$22$54$104Total fair value of performance share vesting$—$—337                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
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|(In thousands)                                                           | 2014                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Compensation expense                                                     | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Total fair value of performance share vesting                            | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         

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