Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net loss	$ (9,791)	$ (2,688)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	2,215	632
Amortization of operating lease right-of-use assets	341	207
Share-based compensation expenses	186	7,028
Loss on disposal of long-term investment	0	38
Impairment on long-term investments	596	0
Impairment of Intangible Assets, Finite-Lived	2,123	0
Provision of allowances for doubtful accounts	2,394	0
Change in fair value of warrant liabilities	(1,854)	(11,329)
Deferred taxes	(3)	177
Other non-operating (income)/losses	(113)	524
Changes in operating assets and liabilities
Accounts receivable	(276)	(986)
Prepayment and deposit to suppliers	1,652	(2,061)
Due from related parties	59	0
Other current assets	2	6
Long-term deposits and prepayments	0	(74)
Accounts payable	(848)	495
Advances from customers	(420)	(221)
Accrued payroll and other accruals	60	(90)
Other current liabilities	836	(355)
Taxes payable	(6)	29
Operating lease liabilities	(302)	(116)
Lease payment liability related to short-term leases	(40)	(54)
Net cash used in operating activities	(3,189)	(8,838)
Cash flows from investing activities
Payment for leasehold improvements and purchase of vehicles, furniture and office equipment	0	(334)
Cash effect of deconsolidation of VIE’s subsidiaries	0	(8)
Investment and advances to ownership investee entities	0	(2,263)
Repayment of short-term loans from ownership investee entities	12	0
Short-term loans to unrelated parties	(2,600)	(1,507)
Repayment of short-term loans and interest income from unrelated parties	2,140	1,305
Deposit and prepayment repaid from/(paid for) contracts of other investing activities	1,000	(1,500)
Payment for purchase of software technology and other intangible assets	0	(1,160)
Net cash provided by/(used in) investing activities	552	(5,467)
Cash flows from financing activities
Proceeds from issuance of common stock and warrants (net of cash offering cost of $1,600)	0	17,111
Net cash provided by financing activities	0	17,111
Effect of exchange rate fluctuation on cash and cash equivalents	(145)	70
Net (decrease)/increase in cash and cash equivalents	(2,782)	2,876
Cash and cash equivalents, at beginning of the year	7,173	4,297
Cash and cash equivalents, at end of the year	4,391	7,173
Supplemental disclosure of cash flow information
Income taxes paid	0	0
Interest expense paid	$ 0	$ 0