Notes Payable and Debt - Additional Information (Detail) (USD $)	0 Months Ended	12 Months Ended	254 Months Ended	12 Months Ended
	Jul. 31, 2012	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2013 Subsequent Event [Member]	Dec. 31, 2013 Notes Payable, Other Payables [Member]	Dec. 31, 2012 Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Convertible promissory notes	$ 16,000,000	$ 16,000,000
Interest expense				0	446,104	432,835
Promissory notes demanded		7,135,000	7,135,000
Interest rate on promissory notes		7.00%	7.00%
Total accrued interest		1,365,000	1,365,000
Interest rate on new note payable semi-annually in arrears		3.20%	3.20%
Principal due date		Dec. 31, 2016
Minimum draw amount		110,000	110,000
Recognized gain		$ 682,670	$ 682,670