COMMITMENTS AND CONTINGENCIES - Additional information (Details)	6 Months Ended
	Jun. 30, 2019 USD ($) lease	Dec. 31, 2018 USD ($)
Lessee, Lease, Description [Line Items]
Operating Lease, Right-of-Use Asset	$ 1,530,000	$ 0
Operating Lease, Liability	1,639,000	$ 0
Operating Lease, Cost	96,000
Operating Lease, Payments	$ 77,000
Banking Facilities [Member]
Lessee, Lease, Description [Line Items]
Number of Operating Leases | lease	3
Land [Member]
Lessee, Lease, Description [Line Items]
Number of Operating Leases | lease	1