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Note 12 - Income Taxes (Tables)
3 Months Ended
Mar. 31, 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

    5  

Increase to current year tax positions

     

Expiration of the statute of limitations for the assessment of taxes

     

Decrease related to settlements

     

Balance at March 31, 2014

  $ 360