Note 4 - Earnings Per Share (Details) - Basic and Diluted EPS - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Numerators:
Net income (in Dollars)		$ 2,525	$ 1,273	$ 6,716	$ 4,044	$ 5,727
Less:
Preferred cash dividends (in Dollars)		50	50	150	150
Net income available to common shareholders (in Dollars)		$ 2,475	$ 1,223	$ 6,566	$ 3,894
Denominators:
Weighted average number of common shares outstanding - basic		13,340	13,294	13,327	13,536
Effect of potentially dilutive common shares (1)	[1]	37	45	31	46
Weighted average number of common shares outstanding - diluted		13,377	13,339	13,358	13,582
Earnings per common share:
Basic (in Dollars per share)		$ 0.18	$ 0.09	$ 0.49	$ 0.29
Diluted (in Dollars per share)		$ 0.18	$ 0.09	$ 0.49	$ 0.29
Employee Stock Option [Member]
Earnings per common share:
Anti-dilutive options not included in earnings per share calculation		120,700	103,411	149,346	110,575

[1] Represents assumed exercise of dilutive options and dilutive restricted stock