STOCK OPTIONS, RESTRICTED STOCK (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Share-based compensation
Stock-based compensation (in dollars)	$ 4,106	$ 5,063	$ 4,666
Restricted Stock Units (RSUs)
Number of Grants
Granted (in shares)	595,000
Forfeited (in shares)	(95,000)
Unvested balance at	500,000
Weighted-Average Grant Date Fair Value
Granted (in dollars per share)	$ 1.06
Forfeited (in dollars per share)	1.25
Unvested balance at (in dollars per share)	$ 1.03
Restricted stock units issued
Number of shares issued to employees (in shares)	595,000
Share-based compensation
Stock-based compensation (in dollars)	$ 40
Unrecognized compensation
Total unrecognized compensation expense	$ 474
Period for unrecognized compensation expense is estimated to be recognized	2 years 11 months 12 days