COMMITMENTS AND CONTINGENCIES - Lease Costs (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Lease, Cost [Abstract]
Operating lease (including related operating costs)	$ 301	$ 298
Short term property leases	261	263
Total lease costs	$ 562	$ 561
Supplemental Lease Information [Abstract]
Weighted-average remaining lease term (years)	1 year 9 months	9 months
Weighted-average discount rate - operating leases	12.00%	12.00%

Supplemental Lease Information [Abstract]

No definition available.

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- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

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-Publisher FASB
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- References

No definition available.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
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- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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