Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities
Net loss	$ (5,271)	$ (1,585)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	1,660	450
Amortization of operating lease right-of-use assets	239	149
Share-based compensation expenses	135	6,945
Provision for allowances for doubtful accounts	947	0
Loss on disposal of long-term investments	0	38
Deferred taxes	(2)	(171)
Change in fair value of warrant liabilities	(759)	(9,682)
Other non-operating income/(losses)	(93)	24
Changes in operating assets and liabilities
Accounts receivable	(211)	(257)
Prepayment and deposit to suppliers	(459)	(1,698)
Due from related parties	59	0
Other current assets	25	6
Long-term deposits and prepayments	0	(314)
Accounts payable	(784)	142
Advance from customers	(179)	(133)
Accrued payroll and other accruals	(205)	(126)
Other current liabilities	735	(230)
Taxes payable	4	(31)
Lease payment liability related to short-term leases	(40)	(54)
Operating lease liabilities	(210)	(73)
Net cash used in operating activities	(4,409)	(6,600)
Cash flows from investing activities
Payment for leasehold improvements and purchase of vehicles, furniture and office equipment	0	(306)
Cash effect of deconsolidation of VIEs’ subsidiaries	0	(8)
Investments and advances to ownership investee entities	0	(1,919)
Repayment 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	2,109	1,303
Payment for purchase of software technologies	0	(1,160)
Deposit and prepayment paid for contracts of other investing activities	0	(2,500)
Net cash used in investing activities	(479)	(6,097)
Cash flows from financing activities
Proceeds from issuance of common stock and warrant (net of cash offering cost of US$1,600)	0	17,111
Net cash provided by financing activities	0	17,111
Effect of exchange rate fluctuation on cash and cash equivalents	(131)	20
Net (decrease)/increase in cash and cash equivalents	(5,019)	4,434
Cash and cash equivalents at beginning of the period	7,173	4,297
Cash and cash equivalents at end of the period	2,154	8,731
Supplemental disclosure of cash flow information
Income taxes paid	0	0
Interest expense paid	$ 0	$ 0