Consolidated Statements Of Stockholders' Equity (USD $) In Thousands	Comprehensive Income (Loss) [Member]	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
BALANCE at Dec. 31, 2008		$ 22	$ 2,760	$ 37,666	$ 35,340	$ 651	$ 76,439
Issuance of shares of restricted stock, net of forfeitures			55	232			287
Issuance of shares of common stock for the employee stock purchase plan			3	59			62
Net loss	(14,610)				(14,610)		(14,610)
Accretion of discount on preferred shares				18	(18)
Dividend on preferred shares					(1,027)		(1,027)
Change in unrealized appreciation on available-for-sale securities, net of income taxes (credit)	(548)					(548)	(548)
Comprehensive loss, net of tax	(15,158)
BALANCE at Dec. 31, 2009		22	2,818	37,975	19,685	103	60,603
Issuance of shares of restricted stock, net of forfeitures			22	406			428
Issuance of shares of common stock for the employee stock purchase plan			3	32			35
Net loss	(2,742)				(2,742)		(2,742)
Accretion of discount on preferred shares				18	(18)
Dividend on preferred shares					(1,087)		(1,087)
Change in unrealized appreciation on available-for-sale securities, net of income taxes (credit)	(73)					(73)	(73)
Comprehensive loss, net of tax	(2,815)
BALANCE at Dec. 31, 2010		22	2,843	38,431	15,838	30	57,164
Issuance of shares of restricted stock, net of forfeitures			33	44			77
Issuance of shares of common stock for the employee stock purchase plan			3	18			21
Net loss	(15,823)				(15,823)		(15,823)
Accretion of discount on preferred shares				18	(18)
Dividend on preferred shares					(1,088)		(1,088)
Change in unrealized appreciation on available-for-sale securities, net of income taxes (credit)	104					104	104
Comprehensive loss, net of tax	(15,719)
BALANCE at Dec. 31, 2011		$ 22	$ 2,879	$ 38,511	$ (1,091)	$ 134	$ 40,455