Note 7 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

	201 6		20 15		201 4
	(In thousands)
U.S. Operations	$	29,848	$	25,536	$	25,338
Foreign Operations		1,508		1,824		2,754
Income before income taxes	$	31,356	$	27,360	$	28,092

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

	201 6			201 5			201 4
	(In thousands)
Federal :
Current	$	8,930		$	9,955		$	8,578
Deferred		847			(1,232	)		99
Total	$	9,777		$	8,723		$	8,677
Foreign :
Current	$	409		$	455		$	714
Deferred		(18	)		(23	)		34
Total	$	391		$	432		$	748
State :
Current	$	634		$	680		$	448
Deferred		36			(85	)		63
Total	$	670		$	595		$	511
Total	$	10,838		$	9,750		$	9,936

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

	20 16			20 15			20 14
	( In thousands)
Expected federal income taxes	$	10,975		$	9,576		$	9,832
Foreign tax rate differential		(129	)		(139	)		(239	)
State income taxes, net of federal benefit and state tax credits		436			391			332
Federal tax credits		(165	)		(150	)		(150	)
Uncertain tax positions		6			93			182
Deferred tax adjustment due to change in state tax law		--			39			58
Share based compensation		(441	)		--			--
Expiration of capital loss carryforward		--			--			1,124
Release of valuation allowance		--			--			(1,124	)
Other		156			(60	)		(79	)
Total	$	10,838		$	9,750		$	9,936

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

	2016			2015
	(In thousands)
Deferred tax assets:
Allowance for doubtful accounts	$	62		$	58
Accrued expenses		580			578
Share based compensation		2,357			1,796
Accrued bonuses		84			618
Other		53			94
Deferred tax assets		3,136			3,144
Deferred tax liabilities:
Prepaid expenses		270			261
Property and equipment		1,206			943
Intangible assets		6,521			7,616
Other		--			68
Deferred tax liabilities		7,997			8,888
Net deferred tax liabilities	$	(4,861	)	$	(5,744	)

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

	(In thousands)
Balance of unrecognized tax benefits at December 31, 201 4	$	360
Reductions due to lapse of applicable statute of limitations		(24	)
Reductions due to tax positio ns of prior years		(3	)
Additions based on tax positions related to the current year		117
Balance of unrecognized tax benefits at December 31, 201 5	$	450
Reductions due to lapse of applicable statute of limitations		(147	)
Additions based on tax positions of prior years		5
Additions based on tax positions related to the current year		155
Balance of unrecognized tax benefits at December 31, 201 6	$	463