Series C Convertible Preferred Stock (Details Textual) (Series C Preferred Stock [Member], USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2012 Installment	Mar. 31, 2011
Series C Preferred Stock [Member]
Series C Preferred Stock Activity (Textual) [Abstract]
Preferred shares issued		7,000
Initial stated value per preferred share		$ 10,000
Number of equal quarterly installments	9
Installments start date	Sep. 01, 2011
Installments end date	Sep. 01, 2013
Preferred Share plus accumulated and unpaid dividends	$ 10,000