Note 10 - Derivative Financial Instruments (Detail) (USD $)	12 Months Ended			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Nov. 30, 2012	Dec. 31, 2012 Maximum [Member]	Dec. 31, 2010 Maximum [Member]
Gain (Loss) on Foreign Currency Derivatives Recorded in Earnings, Net				$ 100,000	$ (100,000)
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	1,400,000	600,000
Notional Amount of Interest Rate Derivatives		$ 83,000,000	$ 83,000,000