Consolidated Statements Of Stockholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Total
Balance, in value at Dec. 31, 2010	$ 82	$ 375,132	$ (342,414)	$ 32,800
Balance, in shares at Dec. 31, 2010	8,168,000
Stock options exercised, in value		34		34
Stock options exercised, in shares	5,000
Issuance of shares, in value	16	23,522		23,538
Issuance of shares, in shares	1,590,000
Vesting of awards granted, in value		74		74
Vesting of awards granted, in shares	2,000
Match to 401(k) Plan, in value		488		488
Match to 401(k) Plan, in shares	30,000
Net loss			(16,949)	(16,949)
Balance, in value at Dec. 31, 2011	98	399,250	(359,363)	39,985
Balance, in shares at Dec. 31, 2011	9,795,000
Stock options exercised, in value		63		63
Stock options exercised, in shares	10,000
Vesting of awards granted, in value		194		194
Vesting of awards granted, in shares	1,000
Restricted stock purchased and retired, value	(1)	(198)		(199)
Restricted stock purchased and retired, in shares	(29,000)
Match to 401(k) Plan, in value	1	479		480
Match to 401(k) Plan, in shares	52,000
Net loss			(1,101)	(1,101)
Balance, in value at Dec. 31, 2012	98	399,788	(360,464)	39,422
Balance, in shares at Dec. 31, 2012	9,829,000
Stock options exercised, in shares
Vesting of awards granted, in value	1	349		350
Vesting of awards granted, in shares	88,000
Match to 401(k) Plan, in value		125		125
Match to 401(k) Plan, in shares	26,000
Net loss			(2,253)	(2,253)
Balance, in value at Dec. 31, 2013	$ 99	$ 400,262	$ (362,717)	$ 37,644
Balance, in shares at Dec. 31, 2013	9,943,000