Subsequent Event (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended		1 Months Ended		1 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Nov. 09, 2012 Subsequent Event [Member]	Sep. 30, 2012 Subsequent Event [Member]	Nov. 09, 2012 Subsequent Event [Member] Pillar Pharmaceuticals [Member]	Nov. 09, 2012 Subsequent Event [Member] Series E Convertible Preferred Stock [Member]
Subsequent Event (Textual) [Abstract]
Gross proceeds from a private financing					$ 7.0
Shares of Series E convertible preferred stock sold	0					424,242
Warrants to purchase shares of common stock			8,484,840
Convertible preferred stock Par value				$ 0.01
Warrants Common stock par value	$ 0.001	$ 0.001		$ 0.001
Initial conversion price of preferred stock and exercise price of warrants			$ 0.70
Dividends payable in arrears to the holders of Series E preferred stock						4.60%
Dividends payable in arrears to the holders of Series E preferred stock if approved by stockholders						8.00%
Net Proceeds from Issuance of Series E Preferred Stock and Warrants			$ 6.2