Note 3 - Average Common Shares Outstanding Used to Compute Earnings (Loss) Per Share (Details) - Earnings (Loss) Per Share Computation	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Earnings (Loss) Per Share Computation [Abstract]
Basic and diluted	18,766,909	18,698,856	18,757,273	18,685,971
Potentially dilutive	71,172	128,591	71,172	128,591