SEGMENT REPORTING - Schedule of Long-lived Assets, Consisting of Property, Plant and Equipment, by Geographical Area (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
SEGMENT REPORTING
Long-lived assets	$ 604	$ 602
China
SEGMENT REPORTING
Long-lived assets	578	528
Other
SEGMENT REPORTING
Long-lived assets	$ 26	$ 74

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant