Basis of Presentation (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Basic loss per share [Abstract]
Net loss	$ (2,531)	$ (2,282)	$ (5,371)	$ (3,384)
Dividends accrued to preferred stockholders	245	234	488	464
Accretion of discount on preferred stock	36	34	71	68
Net loss available to common stockholders	(2,812)	(2,550)	(5,930)	(3,916)
Weighted average common shares outstanding (in shares)	4,277,755	4,279,085	4,277,755	4,274,832
Basic loss per share (in dollars per share)	$ (0.66)	$ (0.60)	$ (1.39)	$ (0.92)
Diluted loss per share [Abstract]
Net loss	(2,531)	(2,282)	(5,371)	(3,384)
Dividends accrued to preferred stockholders	245	234	488	464
Accretion of discount on preferred stock	36	34	71	68
Net loss available to common stockholders	$ (2,812)	$ (2,550)	$ (5,930)	$ (3,916)
Weighted average common shares outstanding (in shares)	4,277,755	4,279,085	4,277,755	4,274,832
Add: Dilutive effect of common stock equivalents (in shares)	0	0	0	0
Weighted average common and dilutive common shares outstanding (in shares)	4,277,755	4,279,085	4,277,755	4,274,832
Diluted loss per share (in dollars per share)	$ (0.66)	$ (0.60)	$ (1.39)	$ (0.92)