Loss per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Basic loss per share
Weighted-average common shares outstanding	14,074,188	14,019,920
Weighted-average common shares less stock based awards	13,876,129	13,785,011
Weighted-average common shares stock based awards	331,123	435,811
Net loss from Operations	$ (72)	$ (6,498)
Dividends on preferred shares	4,987	4,730
Net loss available to common stockholders	(5,059)	(11,228)
Undistributed earning (loss)	(5,059)	(11,228)
Basic loss per share common undistributed loss (in dollars per share)	$ (0.36)	$ (0.79)
Basic loss per share of common stock (in dollars per share)	$ (0.36)	$ (0.79)
Diluted loss per share:
Weighted-average common shares outstanding	14,074,188	14,019,920
Diluted average common shares outstanding	14,207,252	14,220,822
Net loss available to common stockholders	$ (5,059)	$ (11,228)
Diluted loss per share (in dollars per share)	$ (0.36)	$ (0.79)
Restricted awards
Diluted loss per share:
Dilutive effect of share-based payment arrangements (in shares)	133,064	200,902
Stock options
Diluted loss per share:
Number of antidilutive options excluded from the diluted loss per share calculation	1,224,839	1,315,339
Common stock warrants
Diluted loss per share:
Number of antidilutive options excluded from the diluted loss per share calculation	815,339