Note 5 - Taxes on Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Percent	40.10%	37.40%
Current Income Tax Expense (Benefit)	$ 0.1	$ 0.2