Redeemable Convertible Preferred Stock (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Conversion feature liability	$ 109,775	108,839
Series G Preferred Stock [Member]
Preferred Stock, Shares Authorized	1,000,000
Preferred Stock, Par or Stated Value Per Share	$ 1,000
Convertible Preferred Stock, Terms of Conversion	Convertible into common stock at a conversion price equal to 85% of the lowest sale price of the common stock on its listed market over the five trading days preceding the date of conversion ("Beneficial Conversion Feature"), subject to a maximum conversion price.
Preferred Stock, Shares Outstanding	1,101,281	991,153
Preferred Stock, Liquidation Preference Per Share	$ 1,000
Preferred Stock, Liquidation Preference, Value	$ 168,496