Note 8 - Taxes on Income (Details) - Deferred Income Tax Asset (Liability) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Deferred income tax assets:
Pension accruals	$ 1,794,000	$ 4,300,000
Operating reserves and other accruals	861,000	1,385,000
Tax carrying value in excess of book basis of goodwill	545,000	323,000
Deferred income tax liabilities:
Book carrying value in excess of tax basis of property	(605,000)	(549,000)
Deferred expenses	(716,000)	(1,324,000)
Net deferred income tax asset	$ 1,879,000	$ 4,135,000