NET LOSS PER SHARE (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Schedule of basic and diluted net loss per share

	Three Months Ended  March 31,
	2016			2015
Net loss attributable to common stock	$	(9,644	)	$	(10,442	)
Weighted average shares outstanding, basic and diluted		51,774			51,336
Net loss per share, basic and diluted	$	(0.19	)	$	(0.20	)
Anti-dilutive securities excluded from diluted net loss per share calculation for stock-based compensation plans		7,598			7,296