NET LOSS PER COMMON SHARE DATA - Table of computations of basic and diluted net loss per common share (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Earnings Per Share [Abstract]
Net loss	$ (1,855,044)	$ (3,059,137)	$ (4,179,866)	$ (8,778,319)
Denominator:
Weighted-average common shares outstanding	8,384,708	8,005,820	8,384,708	7,872,767
Basic and diluted net loss per common share (in dollars per share)	$ (0.22)	$ (0.38)	$ (0.50)	$ (1.12)