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NET (LOSS) INCOME PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
NET (LOSS) INCOME PER SHARE
Net loss	$ (5,380)	$ (1,712)	$ (10,591)	$ (4,728)
Weighted average number of common shares	337,087	308,523	337,075	304,074
Diluted shares outstanding	337,087	308,523	337,075	304,074
Net income (loss) per share:
Basic (in dollars per share)	$ (0.02)	$ (0.01)	$ (0.03)	$ (0.02)
Diluted (in dollars per share)	$ (0.02)	$ (0.01)	$ (0.03)	$ (0.02)

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