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Note 12 - Income Taxes (Tables)
9 Months Ended
Sep. 30, 2014
Income Tax Disclosure [Abstract]  
Summary of Income Tax Contingencies [Table Text Block]

Balance at January 1, 2014

  $ 355  

Increase to prior year tax positions

     

Increase to current year tax positions

     

Expiration of the statute of limitations for the assessment of taxes

     

Decrease related to settlements

     

Balance at September 30, 2014

  $ 355