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Note 10 - Settlement of Acquisition Obligations (Tables)
9 Months Ended
Sep. 30, 2014
Business Combinations [Abstract]  
Schedule of Business Acquisitions, by Acquisition [Table Text Block]

Change in estimate of contingent liabilities:

       

Forgiveness of net receivable due to us

  $ 78  

Adjustment to performance-related contingent obligation

    (66 )

Net line item expense

  $ 12  
         

Settlement of acquisition obligations:

       

Forgiveness of special fee

  $ 500  

Forgiveness of convertible promissory note, including interest

    592  

Payment by us

    (200 )

Net line item income

  $ 892