Statements of Shareholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]
Beginning Balance at Dec. 31, 2012	$ 75,924	$ 32	$ 2,421	$ 37,444	$ 36,027
Issuance of 8,059 and 9,857 common shares for stock options exercised, employee stock purchases, and other	117		4	113
Share based compensation - options granted	78			78
Dividends paid:
Preferred stock, $5.00 per share	(3)				(3)
Common stock, $.16 per share	(775)				(775)
Net income	1,421				1,421
Ending Balance at Dec. 31, 2013	76,762	32	2,425	37,635	36,670
Issuance of 8,059 and 9,857 common shares for stock options exercised, employee stock purchases, and other	147		5	142
Share based compensation - options granted	114			114
Dividends paid:
Preferred stock, $5.00 per share	(3)				(3)
Common stock, $.16 per share	(779)				(779)
Net income	3,171				3,171
Ending Balance at Dec. 31, 2014	$ 79,412	$ 32	$ 2,430	$ 37,891	$ 39,059