Stock Compensation - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Stock Compensation [Line Items]
Total stock based compensation	$ 129,038	$ 183,260	$ 226,287	$ 192,050
Board of Directors
Stock Compensation [Line Items]
Shares of common stock	140,000	10,000	160,000	10,000
Compensation expense	42,000	31,343	92,000	31,343
Finders
Stock Compensation [Line Items]
Shares of common stock	3,500		3,500
Compensation expense	$ 1,885		$ 1,885