Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Loss from continuing operations before income taxes:
United States	$ (8,288)	$ (6,859)
Foreign	(99)	(131)
Net loss from continuing operations before income taxes	(8,387)	(6,990)
Current income tax benefit from continuing operations:
Federal		492
Current income tax benefit from continuing operations		492
Deferred income tax benefit/(provision) from continuing operations:
Federal	2,444	3,335
Foreign	(104)	(2)
State	(1,437)	(4,415)
Deferred income tax benefit/(provision) from continuing operations	903	(1,082)
Change in valuation allowance	(903)	(1,082)
Benefit for income taxes from continuing operations		492
Provision for income taxes from gain on sale of discontinued operations		$ (492)