Note 10 - Share Repurchase Program (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2007
Disclosure Text Block Supplement [Abstract]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased				1,000,000
Treasury Stock, Shares, Acquired	0	0	0