NET LOSS PER COMMON SHARE DATA (Tables)

9 Months Ended

Sep. 30, 2012

NET LOSS PER COMMON SHARE DATA

Schedule of computation of basic and diluted net loss attributable to common stockholders per common share, as well as a reconciliation of the numerator and denominator used in the computation

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
Net loss	$	(3,059,137	)	$	(2,329,419	)	$	(8,778,319	)	$	(6,475,088	)
Loss on deemed Preferred Stock redemption		—			—			—		$	(6,906,566	)
Net loss attributable to common stockholders	$	(3,059,137	)	$	(2,329,419	)	$	(8,778,319	)		(13,381,654	)
Denominator:
Weighted-average common shares outstanding		8,005,820			2,164,607			7,872,767			2,164,100
Basic and diluted net loss per common share	$	(0.38	)	$	(1.08	)	$	(1.12	)	$	(6.18	)

Schedule of equivalent shares excluded from the calculation of diluted loss per share as their impact would have been anti-dilutive

	Nine Months Ended September 30,
	2012		2011
Options to purchase common stock		913,333		2,101,774
Warrants		2,215,680		736,249
Restricted stock		122,667		191,167
Convertible preferred stock (as converted basis)		—		1,448,314