Note 5 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	2012		2011		2010
U.S. Operations	$	19,836	$	16,017	$	11,353
Foreign Operations		2,371		2,143		1,962
	$	22,207	$	18,160	$	13,315

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	2012			2011			2010
Federal:
Current	$	5,488		$	4,018		$	3,450
Deferred		1,140			1,170			458
Total	$	6,628		$	5,188		$	3,908
Foreign:
Current	$	684		$	606		$	477
Deferred		(6	)		(1	)		28
Total	$	678		$	605		$	505
State:
Current	$	787		$	609		$	275
Deferred		(954	)		194			128
Total	$	(167	)	$	803		$	403
Total	$	7,139		$	6,596		$	4,816

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	2012			2011			2010
Expected federal income taxes	$	7,772		$	6,356		$	4,527
Foreign tax rate differential		(203	)		(145	)		(59	)
U.S. tax graduated rates		11			(99	)		--
State income taxes, net of federal benefit and state tax credits		552			522			257
Federal tax credits		(282	)		(132	)		(110	)
Uncertain tax positions		(73	)		9			72
Deferred tax adjustment due to change in state tax law		(661	)		--			138
Other		23			85			(9	)
Total	$	7,139		$	6,596		$	4,816

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	2012			2011
Deferred tax assets:
Allowance for doubtful accounts	$	86		$	108
Accrued expenses		356			345
Share based compensation		859			1,449
Capital loss carryforward		1,132			1,268
Net operating loss		170			719
Tax credit carryforward		319			--
Gross deferred tax assets		2,922			3,889
Less Valuation Allowance		(1,138	)		(1,352	)
Deferred tax assets		1,784			2,537
Deferred tax liabilities:
Prepaid expenses		324			142
Property and equipment		1,790			2,505
Intangible assets		6,415			6,506
Other		235			184
Deferred tax liabilities		8,764			9,337
Net deferred tax liabilities	$	(6,980	)	$	(6,800	)

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	(In thousands)
Balance of unrecognized tax benefits at December 31, 2010	$	269
Reductions due to lapse of applicable statue of limitations		(38	)
Additions based on tax positions of prior years		3
Additions based on tax positions related to the current year		32
Balance of unrecognized tax benefits at December 31, 2011	$	266
Reductions due to lapse of applicable statue of limitations		(117	)
Additions based on tax positions of prior years		84
Reductions based on tax positions of prior years		(9	)
Additions based on tax positions related to the current year		--
Balance of unrecognized tax benefits at December 31, 2012	$	224