SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Sep. 30, 2013
Lease term	1 year			3 years
Impacts to Previously Reported Results
Right-of-use asset	$ 131		$ 413
Accrued expenses	7,968		6,606
Other current and long-term liabilities			8
Lease liabilities	101		397
Amortization of right-of-use asset	283	$ 265
Accrued expenses	1,143	(163)
Lease liabilities	$ (295)	(268)
As Previously Reported | Accounting Standards Update 2016-02
Impacts to Previously Reported Results
Accrued expenses			6,589
Other current and long-term liabilities			9
Accrued expenses		(166)
Adjustment | Accounting Standards Update 2016-02
Impacts to Previously Reported Results
Right-of-use asset			413
Accrued expenses			17
Other current and long-term liabilities			(1)
Lease liabilities			$ 397
Amortization of right-of-use asset		265
Accrued expenses		3
Lease liabilities		$ (268)
Minimum
Lease term	1 year