EQUITY (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period (in shares)	20,363,198
Balance at end of period (in shares)	20,374,477
Balance at beginning of period	$ 45,520
Share-based compensation	816
Net loss	(23,441)	$ (24,963)
Balance at end of period	$ 22,895
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period (in shares)	20,363,000
Share-based compensation (in shares)	11,000
Balance at end of period (in shares)	20,374,000
Balance at beginning of period	$ 204
Share-based compensation	0
Balance at end of period	204
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	264,945
Share-based compensation	816
Balance at end of period	265,761
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	(219,629)
Net loss	(23,441)
Balance at end of period	$ (243,070)