Accrued Expenses Accrued Expenses (Details) (USD $)			3 Months Ended			3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Former President and Chief Executive Officer [Member]	Mar. 31, 2013 Former President and Chief Executive Officer [Member] Cash [Member]	Mar. 31, 2013 Former Chief Financial Officer [Member]	Mar. 31, 2013 Former Chief Financial Officer [Member] Cash [Member]	Mar. 31, 2013 Former Employees [Member]
Accrued Expenses, Current [Abstract]
Accrued compensation	$ 580,000	$ 508,000
Accrued severance	813,000	607,000	183,000		121,000		509,000
Accrued communication costs	222,000	244,000
Accrued professional fees	20,000	208,000
Other accrued expenses	108,000	105,000
Total Accrued Expenses	1,743,000	1,672,000
Severance Costs			$ 146,000	$ 142,000		$ 110,000