LEASES -Operating Lease (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Operating lease right of use assets and lease liabilities included on the unaudited condensed consolidated balance sheets
Right of use assets	$ 1,036
Other assets	us-gaap:OtherAssetsNoncurrent
Lease liabilities, current	$ 586
Other current liabilities	us-gaap:OtherLiabilitiesCurrent
Lease liabilities, noncurrent	$ 450
Other long-term liabilities	us-gaap:OtherLiabilitiesNoncurrent
Total operating lease liabilities	$ 1,036
Operating Lease, Liability, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesCurrent us-gaap:OtherLiabilitiesNoncurrent
Weighted average remaining lease term (in years)	1 year 10 months 24 days
Weighted average discount rate	5.80%