| **Note 10. Segment and Geographic Information** | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
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| Segment Reporting Disclosure [Text Block]       | 10.           SEGMENT      AND GEOGRAPHIC INFORMATIONThe Company      operates and evaluates its business as one reporting      unit.Revenues by      geography are based on the country in which the end user      customer resides and are detailed as follows (in      thousands):                        Three              Months                         Ended              March 31,                         2013  2012 North              America $5,253  $5,672 Europe,              Middle East and Africa (EMEA)  1,212   1,001 Latin              America  591   772 Asia  961   432                         $8,017  $7,877  |

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| - Definition
The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.
+ References
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