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Note 12 - Income Taxes (Tables)
6 Months Ended
Jun. 30, 2012
Summary of Income Tax Contingencies [Table Text Block]
Balance at January 1, 2012
 
$
                   308
 
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 June 30, 2012
 
$
317