Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities
Net loss	$ (850)	$ (1,143)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	238	322
Amortization of operating lease right-of-use assets	22	106
Share-based compensation expenses	0	35
Provision for allowances for credit losses	301	301
Loss on disposal of fixed assets	0	3
Deferred taxes	(3)	(1)
Change in fair value of warrant liabilities	(0)	(101)
Other non-operating income	(91)	(72)
Changes in operating assets and liabilities
Accounts receivable	(185)	(56)
Prepayment and deposit to suppliers	(654)	171
Other current assets	(5)	(1)
Accounts payable	65	10
Advance from customers	584	(27)
Accrued payroll and other accruals	49	(174)
Other current liabilities	200	(184)
Taxes payable	0	(8)
Operating lease liabilities	(24)	(97)
Net cash used in operating activities	(353)	(916)
Cash flows from investing activities
Cash acquired during the period	9	0
Short-term loans to unrelated parties	0	(2,000)
Repayment of short-term loans and interest income from unrelated parties	0	123
Net cash used in investing activities	9	(1,877)
Cash flows from financing activities
Net cash provided by financing activities	0	0
Effect of exchange rate fluctuation on cash and cash equivalents	(6)	(6)
Net decrease in cash and cash equivalents	(350)	(2,799)
Cash and cash equivalents at beginning of the period	817	4,391
Cash and cash equivalents at end of the period	467	1,592
Supplemental disclosure of cash flow information
Income taxes paid	0	0
Interest expense paid	$ 0	$ 0