Changes in Shareholders Equity (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended				6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Preferred Stock [Member]	Dec. 31, 2011 Preferred Stock [Member]	Jun. 30, 2012 Common Stock [Member]	Jun. 30, 2012 Additional Paid-in Capital [Member]	Jun. 30, 2012 Retained Earning [Member]
Changes in Shareholders' Equity:
Stockholders Equity Beginning Balance			$ 72,989		$ 32	$ 32	$ 2,417	$ 37,271	$ 33,269
Issuance of 4,961 common shares for employee stock purchases, stock options exercised and employee stock awards			68				2	66
Share-based compensation, options granted			65					65
Dividends:
Preferred stock, $5.00 per share			(3)						(3)
Common stock, $.08 per share			(387)						(387)
Net income for the period	3,099	828	2,199	(1,258)					2,199
Stockholders Equity Ending Balance	$ 74,931		$ 74,931		$ 32	$ 32	$ 2,419	$ 37,402	$ 35,078