Note 9 - Income Taxes (Tables)

6 Months Ended

Jun. 30, 2012

Income Tax Expense [Table Text Block]

	Six Months Ended June 30,				Three Months Ended June 30,
	2012		2011		2012		2011
Income tax expense	$	1,870	$	1,562	$	965	$	1,038

Uncertain Income Tax Expense [Table Text Block]

	Six Months Ended June 30,				Three Months Ended June 30,
	2012		2011		2012		2011
Income tax expense related to uncertain tax positions	$	427	$	430	$	168	$	210
Interest expense related to uncertain tax positions		105		122		53		62
Total income tax expense related to uncertain tax positions	$	532	$	552	$	221	$	272