Subsequent Events - Additional Information (Detail) (USD $)			1 Months Ended	12 Months Ended				0 Months Ended
	Apr. 11, 2013	Jan. 04, 2012	Sep. 30, 2006 Series B Preferred Stock	Dec. 31, 2012 Series B Preferred Stock	Sep. 30, 2012 Series B Preferred Stock	Jun. 30, 2012 Series B Preferred Stock	Dec. 31, 2011 Series B Preferred Stock	Apr. 11, 2013 Series H Junior Convertible Preferred Stock Subsequent Event	Sep. 30, 2012 Investor Series B Preferred Stock	Apr. 11, 2013 Chief Executive Officer Subsequent Event	Mar. 25, 2013 Chief Executive Officer Subsequent Event	Feb. 27, 2013 Chief Executive Officer Subsequent Event	Jan. 31, 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	$ 100,000	$ 250,000	$ 250,000
Cost method investments	$ 750,000									$ 500,000				$ 250,000
Preferred stock, shares issued					4,245,322		7,828,822	7,500,000	130,000
Preferred stock, par value		$ 1.00	$ 1.00	$ 1.00	$ 1.00	$ 1.00	$ 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			100 votes per share.	100 votes per share.				two hundred (200) votes per share