| **Note 15 - Segment and Geographic Information** | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
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| Segment Reporting Disclosure [Text Block]        | 15.           SEGMENT        AND GEOGRAPHIC INFORMATIONThe Company        operates and evaluates its business as one reporting unit.        Substantially all long-lived assets are located in the        United States.The details of        the Company’s geographic sales are as follows (in        thousands):  2011  2010 Revenues                from external customers:      United                States $22,766  $20,732 Europe  3,864   4,295 Other  4,957   2,700   $31,587  $27,727  |

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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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