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Note 1 - Basis of Presentation and Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Disclosure Text Block [Abstract]
Unrecognized Tax Benefits	$ 2,175,000	$ 2,753,000	$ 1,218,000	$ 1,568,000
Foreign Currency Transaction Gain (Loss), before Tax	(1,819,000)	(749,000)	(522,000)
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax	$ (9,500,000)	$ (700,000)

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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