ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Numerator:
Net (loss) income attributable to common stockholders	$ (423)	$ (18,145)	$ 2,944	$ (49,673)
Denominator:
Denominator for basic net (loss) income per share - weighted average outstanding shares	47,481,004	48,220,262	48,066,267	47,963,763
Effect of dilutive securities:
Stock options and restricted stock (in shares)	0	0	1,173,898	0
Denominator for diluted net (loss) income per share - weighted-average outstanding shares	47,481,004	48,220,262	49,240,165	47,963,763
Net (loss) income attributable to common stockholders per share - basic	$ (0.01)	$ (0.38)	$ 0.06	$ (1.04)
Net (loss) income attributable to common stockholders per share -diluted ( in dollars per shares)	$ (0.01)	$ (0.38)	$ 0.06	$ (1.04)