Subsequent Events - Additional Information (Detail) (USD $)	12 Months Ended			0 Months Ended	1 Months Ended						2 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	May 23, 2011	Aug. 11, 2011 Director	Mar. 30, 2013 Subsequent Event	Feb. 08, 2013 Subsequent Event Director	Feb. 08, 2013 Subsequent Event Director RENN Capital Group Inc	Feb. 08, 2013 Subsequent Event Director RENN Global Entrepreneurs Fund Inc	Feb. 08, 2013 Subsequent Event Director Cedarview Opportunities Master Fund LP	Mar. 31, 2013 Convertible Notes Payable Subsequent Event	Feb. 28, 2013 Convertible Notes Payable Subsequent Event
Subsequent Event [Line Items]
Convertible notes issued										$ 333,333	$ 666,666
Interest rate of debt										2.00%	2.00%
Debt instrument maturity term										54 months	54 months
Conversion price per share			$ 0.95							$ 2.50	$ 3.00
Class of warrant or right, number of securities called by warrants or rights										133,333	222,222
Per share price of additional shares issuable on unpaid interest										$ 0.01	$ 0.01
Shares of common stock	493,750					10,000	5,000	5,000	10,000
Total compensation expense	$ 155,090	$ 0				$ 25,000			$ 25,000
Escrowed shares of stock	0	0		9,000	697,367