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LEASES - Components of lease expense (Details) - ASU No. 2016-02, Leases (Topic 842) - Selling, general and administrative expenses - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Leases [Line Items]
Operating lease cost	$ 55	$ 54
Short-term lease cost		2
Total lease cost	$ 55	$ 56

X

- Definition

Represents Leases line item.

+ References

No definition available.

+ Details

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- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980

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-Publisher FASB
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-SubTopic 20
-Section 55
-Paragraph 53
-URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971

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X

- 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

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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-Subparagraph (b)
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X

- Definition

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

+ References

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-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (c)
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