Commitments and Contingencies (Details Textual) (USD $)	12 Months Ended				1 Months Ended		12 Months Ended
	Dec. 31, 2012 Lawsuit	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Office Equipment [Member]	Mar. 31, 2012 Turner [Member]	Jul. 31, 2011 Turner [Member]	Dec. 31, 2012 Turner [Member]	May 04, 2012 Turner [Member]	Apr. 20, 2012 Turner [Member]
Commitments and Contingencies (Textual) [Abstract]
Original cost of leased equipment				$ 147,000
Associated accumulated amortization				10,000
Capital lease obligation				137,000
Interest rate				6.15%
Jury decision against company						10,000,000
Jury award value					4,400,000
Jury decision against company which adjusted to award								5,500,000	5,500,000
Benefit on reversal of accrued litigation							2,200,000
Benefit on reversal of accrued litigation leaving a reserve							1,100,000
Commitments and Contingencies (Additional Textual) [Abstract]
Rent expense under operating lease	1,400,000	1,800,000	1,600,000
Executed subleases on operating leases in next year	64,000
Executed subleases on operating leases in year two	50,000
Open purchase order	12,700,000
Number of lawsuits dismissed	1
Number of lawsuits against Company	28
Amount of settlement offer	800,000
Amount payable on termination of contract	$ 800,000