Note 5 - Earnings Per Share (Details) - Earnings Per Common Share: (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 Common Share: [Abstract]
Net income available to common shareholders (in Dollars)	$ 3,448	$ 2,712	$ 9,271	$ 7,403
Weighted average common shares in basic EPS	18,417	18,307	18,372	15,666
Effect of dilutive securities	397	341	385	210
Weighted average common and potentially dilutive common shares used in diluted EPS	18,814	18,648	18,757	15,876
Earnings per common share:
Basic (in Dollars per share)	$ 0.19	$ 0.15	$ 0.50	$ 0.47
Diluted (in Dollars per share)	$ 0.18	$ 0.15	$ 0.49	$ 0.47