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LEASES (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Components of lease expense [Abstract]
Operating lease cost	$ 363	$ 1,064
Short-term lease cost	92	117
Lease cost	455	1,181
Cash paid for amounts included in the measurement of lease liabilities [Abstract]
Operating cash outflow from operating leases	455	1,181
Maturities of lease liabilities [Abstract]
2019	364	364
2020	1,488	1,488
2021	1,475	1,475
2022	1,495	1,495
2023	53	53
2024	13	13
Total lease payments	4,888	4,888
Less: interest	(683)	(683)
Present value of lease liabilities	$ 4,205	$ 4,205
Weighted average remaining lease terms and discount rates [Abstract]
Weighted average remaining lease term	3 years 3 months 7 days	3 years 3 months 7 days
Weighted average discount rate	5.42%	5.42%

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