Note 5 - Earnings Per Share (Details) - Earnings Per Common Share: (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Earnings Per Common Share: [Abstract]
Net income available to common shareholders (in Dollars)	$ 2,796	$ 2,521	$ 5,823	$ 4,691
Weighted average common shares in basic EPS	18,366	15,493	18,349	14,331
Effect of dilutive securities	347	260	364	166
Weighted average common and potentially dilutive common shares used in diluted EPS	18,713	15,753	18,713	14,497
Earnings per common share:
Basic (in Dollars per share)	$ 0.15	$ 0.16	$ 0.32	$ 0.33
Diluted (in Dollars per share)	$ 0.15	$ 0.16	$ 0.31	$ 0.32