Note 12 -Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Stockholders' Equity Note [Abstract]
Treasury Stock, Shares, Acquired			1,089,909
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share)			$ 10.33
Treasury Stock, Value, Acquired, Cost Method (in Dollars)	$ 4,912	$ 4,589	$ 11,260	$ 12,484
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased	1,110,591		1,110,591
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures			939,000