Note 8 - Taxes on Income (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Unrecognized Tax Benefits	$ 625,000	$ 736,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	45,000	46,000
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	65,000	29,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest, Payments	23,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	128,000	171,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	(117,000)
Undistributed Earnings of Foreign Subsidiaries	$ 7,266,000	$ 5,578,000