Note 10 - Shares Outstanding and Earnings Per Share (Details) - Earnings Per Share Calculation (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Earnings Per Share Calculation [Abstract]
Weighted average basic shares outstanding	11,066	10,961	11,061	10,958
Assumed exercise of stock options and issuance of stock awards	11	6	10	9
Weighted average diluted shares outstanding	11,077	10,967	11,071	10,967
Net income (in Dollars)	$ 1,340	$ 1,639	$ 9,029	$ 12,395
Basic earnings per share (in Dollars per share)	$ 0.12	$ 0.15	$ 0.82	$ 1.13
Diluted earnings per share (in Dollars per share)	$ 0.12	$ 0.15	$ 0.82	$ 1.13
Anti-dilutive securities outstanding	199	190	201	189