CONDENSED FINANCIAL INFORMATION OF THE PARENT COMPANY- STATEMENTS OF CASH FLOWS (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Changes in operating assets and liabilities:
Cash flows from operating activities	$ (2,394)	$ (2,103)	$ (1,135)
CASH FLOWS FROM INVESTING ACTIVITIES:
Cash flows from investing activities	(156)	4,267	(290)
CASH FLOWS FROM FINANCING ACTIVITIES:
Cash flows from financing activities	5,406	2,000	2,132
Cash and cash equivalents at beginning of year	5,263	607	4
Cash and cash equivalents at end of year	7,102	5,263	$ 607
Parent
Changes in operating assets and liabilities:
Cash flows from operating activities	(2,410)
CASH FLOWS FROM FINANCING ACTIVITIES:
Cash flows from financing activities	(165)
Net increase in cash, cash equivalents and restricted cash	(2,575)
Cash and cash equivalents at beginning of year	2,746
Cash and cash equivalents at end of year	$ 171	$ 2,746

Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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