Operating Matters and Liquidity - Additional Information (Detail) (USD $)	0 Months Ended	12 Months Ended		24 Months Ended
	Apr. 13, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012
Line of Credit Facility [Line Items]
Accumulated deficit		$ (107,696,665)	$ (102,576,581)	$ (107,696,665)
Line Of Credit Facility Increase Additional Borrowings	1,316,255	14,300,000
Operating Income Loss		$ (4,670,088)	$ (4,827,303)	$ 10,100,000