Note 5 - Earnings Per Common Share (Detail) - Basic earnings per common share (“EPS”) is computed by dividing net income (after deducting dividend (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net income available to common shareholders (in Dollars)	$ 2,712	$ 1,668	$ 7,403	$ 4,947
Weighted average common shares in basic EPS	18,307	13,145	15,666	13,141
Effect of dilutive securities (in Dollars)	$ 341	$ 89	$ 210	$ 75
Weighted average common and potentially dilutive common shares used in diluted EPS	18,648	13,234	15,876	13,216
Basic (in Dollars per share)	$ 0.15	$ 0.13	$ 0.47	$ 0.38
Diluted (in Dollars per share)	$ 0.15	$ 0.13	$ 0.47	$ 0.37