Note 13 - Share-Based Compensation (Details) - Summary of Option Transactions (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Summary of Option Transactions [Abstract]
Outstanding	557,029	614,917	671,500
Outstanding (in Dollars per share)	$ 11.51	$ 11.24	$ 10.66
Granted	202,884	194,223
Granted (in Dollars per share)	$ 11.43	$ 12.62
Exercised	(206,441)	(138,252)
Exercised (in Dollars per share)	$ 10.73	$ 9.32
Lapsed	(31,150)	(86,400)
Lapsed (in Dollars per share)	$ 10.68	$ 12.57
Cancelled	(23,181)	(26,154)
Cancelled (in Dollars per share)	$ 11.67	$ 12.37