Stock Transactions and Preferred Stock Dividends - Additional Information (Detail) (USD $)	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Stockholders Equity Note [Line Items]
Issuance of common stock for fees	45,000
Dividends payable, record date	Mar. 31, 2013
Dividend payable date	Apr. 28, 2013
Preferred stock dividend	$ 391,875
Promissory notes, interest rate	7.00%	7.00%
Promissory notes, due date	Jul. 23, 2014
Promissory notes, default rate	12.00%
Series A1 15% Convertible Preferred Stock
Stockholders Equity Note [Line Items]
Preferred stock dividend rate	15.00%
Preferred Stock, conversion price	$ 0.75