| **Note 1 - Summary of Significant Accounting Policies (Tables)**     | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
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| **Accounting Policies [Abstract]**                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| Property, Plant and Equipment, Estimated Useful Lives                | Machinery and equipment (years)

3
          -                  10        
Furniture and fixtures (years)          

5
          -                  10        
Automobiles (years)          

3
          -                  4        
Leasehold improvements

Shorter of the life of improvement or remaining life of the lease                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | ** **** **
**Years Ended December 31,**
** **** **** **
**2013**
** **** **
**2012**
** **
Basic weighted average shares outstanding
                                                25,379                                                                           16,961                           
Effect of dilutive stock options
                                                -                                                                           -                           
Diluted weighted average shares outstanding
                                                25,379                                                                           16,961                                                                                                                                                                                                      
Weighted average shares which are not includedin the calculation of diluted earnings per sharebecause their impact is antidilutive
                                                                                                                                                        
Stock options
                                                2,803                                                                           3,087                           
Restricted stock units
                                                30                                                                           173                    |

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| - Definition
Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment).
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2155824
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| - Definition
Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257
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