Note 7 - Taxes on Income (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

	2016			2015			2014
Current:
Federal	$	5,642,000		$	6,527,000		$	5,576,000
State and local		628,000			519,000			603,000
		6,270,000			7,046,000			6,179,000
Deferred tax provision (benefit)		(1,010,000	)		(1,216,000	)		1,000
	$	5,260,000		$	5,830,000		$	6,180,000

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

	2016			2015
Deferred income tax assets:
Pension accruals	$	3,581,000		$	3,678,000
Operating reserves and other accruals		3,656,000			1,231,000
Tax carrying value in excess of book basis of goodwill		1,377,000			1,514,000
Tax credits		99,000
Deferred income tax liabilities:
Book carrying value in excess of tax basis of property		(827,000	)		(691,000	)
Deferred expenses		(1,086,000	)		(752,000	)
Net deferred income tax asset	$	6,800,000		$	4,980,000

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

	2016			2015			2014
Statutory Federal income tax rate		34.0	%		34.0	%		34.0	%
State and local income taxes, net of Federal income tax benefit		1.9			1.6			2.2
Effect of change in unrecognized tax benefit		-			(0.1	)		-
Untaxed foreign income		(5.1	)		(6.0	)		(3.3	)
Non-deductible share-based employee compensation expense		1.2			1.3			1.6
Excess tax benefit from stock compensation		(4.4	)		-			-
Federal tax credits		(0.8	)		-			-
Other items		(0.4	)		0.1			0.8
Effective income tax rate		26.4	%		30.9	%		35.3	%

Summary of Income Tax Contingencies [Table Text Block]

	2016			2015
Balance at January 1,	$	399,000		$	462,000
Additions based on tax positions related to the current year		55,000			58,000
Additions for tax positions of prior years		4,000			2,000
Reductions due to lapse of statute of limitations		(59,000	)		(123,000	)
Balance at December 31,	$	399,000		$	399,000