Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Income tax expense	$ 3,000	$ 26,000	$ 23,000	$ 49,000
Internal Revenue Service (IRS) [Member]
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration	96,800,000		96,800,000
State and Local Jurisdiction [Member]
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration	$ 96,000,000		$ 96,000,000