Restatements - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 10% convertible debentures	Sep. 30, 2009 10% convertible debentures	Jan. 14, 2011 10% convertible debentures	Jan. 31, 2011 10% convertible debentures After Amendment	Jan. 14, 2011 10% convertible debentures After Amendment	Jan. 14, 2011 10% convertible debentures After Amendment Cash Transactions	Jan. 14, 2011 10% convertible debentures After Amendment Non Cash	Jan. 14, 2011 10% convertible debentures Before Amendment	Jan. 14, 2011 10% convertible debentures Before Amendment Non Cash
Convertible debt, interest rate				10.00%				15.00%	18.00%		12.00%
Proceeds from convertible debt				$ 600,000
Convertible debt, conversion price for interest payment							$ 0.60			$ 0.90
Convertible debt, conversion price							$ 2.50			$ 2
Warrant term						3 years
Number of shares of common stock called by warrants, percentage of outstanding principal			5.00%		5.00%
Warrant exercise price	1						0.90
Loss on debt extinguishment	0	(1,350,000)	1,400,000
Derivative liabilities	830,000	2,059,077	797,000
Unamortized debt discount of the original debt	$ 72,200