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Note 12 - Income Taxes (Tables)
9 Months Ended
Sep. 30, 2013
Income Tax Disclosure [Abstract]  
Summary of Income Tax Contingencies [Table Text Block]

Balance at January 1, 2013

  $ 327  

Increase to prior year tax positions

    9  

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, 2013

  $ 336