Subsequent Events - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended			1 Months Ended	0 Months Ended
	Jan. 31, 2012	Mar. 31, 2012	Apr. 11, 2013	Jan. 04, 2012	Apr. 30, 2013 Subsequent Event	Apr. 11, 2013 Series H Junior Convertible Preferred Stock Subsequent Event	Apr. 11, 2013 Chief Executive Officer Subsequent Event	Apr. 11, 2013 Chief Financial Officer Subsequent Event
Subsequent Event [Line Items]
Due to officers or stockholders							$ 150,000
Cost method investments			$ 750,000				$ 500,000	$ 250,000
Preferred stock, shares issued						7,500,000
Preferred stock, par value				$ 1.00		$ 0.01
Conversion of stock, description						Original Issuance Price of $0.10 and divided by seventy percent (70%) of the daily weighted volume average price for the three trading days prior to conversion.
Preferred stock, voting rights						two hundred (200) votes per share
Shares of common stock for services	1,800,000	4,800,000			621,000