Net Loss per Common Share Applicable to Common Stockholders (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net Loss per Common Share Applicable to Common Stockholders (Textual) [Abstract]
Total antidilutive securities	33,037,104	16,018,566
Dividends accrued on preferred shares	$ 279,000	$ 160,000
Series D Convertible Redeemable Preferred Stock [Member]
Net Loss per Common Share Applicable to Common Stockholders (Textual) [Abstract]
Dividends accrued on preferred shares		160,000
Series D and E Preferred Stock [Member]
Net Loss per Common Share Applicable to Common Stockholders (Textual) [Abstract]
Dividends accrued on preferred shares	$ 279,000