Note 7 - Taxes on Income (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

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

	201 7		201 6			201 5
Current:
Federa l	$	2,846	$	5,642		$	6,527
Tax Cut and Jobs Ac t		265		-			-
State and loca l		647		628			519
Foreig n		338		-			-
		4,096		6,270			7,046
Long Term :
Tax Cut and Jobs Ac t		1,336		-			-
Deferred Taxes :
Deferred tax provision (benefit )		1,899		(1,010	)		(1,216	)
Tax Cut and Jobs Act re-measuremen t		2,429		-			-
		4,328		(1,010	)		(1,216	)
	$	9,760	$	5,260		$	5,830

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

	2017			2016
Deferred income tax assets:
Pension accruals	$	2,606		$	3,581
Operating reserves and other accruals		2,174			3,656
Tax carrying value in excess of book basis of goodwill		866			1,377
Tax credits		255			99
Valuation allowance on tax credits		(255	)
Deferred income tax liabilities:
Book carrying value in excess of tax basis of property		(937	)		(827	)
Deferred expenses		(1,809	)		(1,086	)
Net deferred income tax asset	$	2,900		$	6,800

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

	2017			2016			2015
Statutory Federal income tax rate		34.0	%		34.0	%		34.0	%
State and local income taxes, net of Federal income tax benefit		1.5			1.9			1.6
Effect of change in unrecognized tax benefit		-			-			(0.1	)
Current year untaxed foreign income		(6.5	)		(5.1	)		(6.0	)
Foreign Taxes		1.4			-			-
Non-deductible share-based employee compensation expense		1.1			1.2			1.3
Excess tax benefit from stock compensation		(7.2	)		(4.4	)		-
Federal tax credits		(0.5	)		(0.8	)		-
Tax Cut and Jobs Act deferred tax re-measurement		6.9			-			-
Tax on undistributed foreign earnings		2.9			-			-
Transition tax (repatriation)		5.9			-			-
Other items		(0.1	)		(0.4	)		0.1
Effective income tax rate		39.4	%		26.4	%		30.9	%

Summary of Income Tax Contingencies [Table Text Block]

(In thousands )
	201 7			201 6
Balance at January 1,	$	399		$	399
Additions based on tax positions related to the current yea r		59			55
Additions for tax positions of prior year s		-			4
Reductions due to lapse of statute of limitation s		(58	)		(59	)
Balance at December 31 ,	$	400		$	399