Consolidated Statements of Stockholders' (Deficit) Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2010	$ 137	$ 282,359	$ (281,550)	$ 946
Balance (in Shares) at Dec. 31, 2010	13,677,772
Issuance of shares pursuant to stock awards	1			1
Issuance of shares pursuant to stock awards (in Shares)	151,466
Issuance of shares pursuant to Private Placement and Shelf Takedown	16	15,113		15,129
Issuance of shares pursuant to Private Placement and Shelf Takedown (in Shares)	1,600,303
Convertible term loan conversion option		343		343
Stock compensation expense		2,348		2,348
Net loss			(16,837)	(16,837)
Balance at Dec. 31, 2011	154	300,163	(298,387)	1,930
Balance (in Shares) at Dec. 31, 2011	15,429,541
Issuance of shares pursuant to stock awards (in Shares)	9,420
Stock compensation expense		343		343
Issuance of stock warrants		533		533
Net loss			(19,574)	(19,574)
Balance at Dec. 31, 2012	154	301,039	(317,961)	(16,768)
Balance (in Shares) at Dec. 31, 2012	15,438,961
Issuance of shares pursuant to stock awards (in Shares)	13,795
Issuance of stock to lenders	7	2,428		2,435
Issuance of stock to lenders (in Shares)	700,000
Stock compensation expense		512		512
Net loss			(22,677)	(22,677)
Balance at Dec. 31, 2013	$ 161	$ 303,979	$ (340,638)	$ (36,498)
Balance (in Shares) at Dec. 31, 2013	16,152,756