UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net cash used in operating activities	$ (5,484)	$ (11,539)
Cash flows from investing activities:
Purchase of property and equipment	(1,994)	(2,022)
Proceeds from disposal of property and equipment	0	1,635
Net cash used in investing activities	(1,994)	(387)
Cash flows from financing activities:
Repayment of borrowings	(5,000)	(82,296)
Proceeds from borrowings	2,445	82,714
Proceeds from issuance of convertible bond	1,464	2,000
Proceeds from IPO of a subsidiary	0	13,438
Proceeds received from standby equity purchase agreement of Phoenix	1,227	0
Net cash provided by financing activities	136	15,856
Effect of exchange rate changes on cash	2,245	(522)
Increase (decrease) in cash, cash equivalents and restricted cash	(5,097)	3,408
Cash, cash equivalents and restricted cash at beginning of period	10,987	17,845
Cash, cash equivalents and restricted cash at end of period	5,890	21,253
Cash and cash equivalents	4,516	13,624
Restricted cash	1,374	7,629
Total cash, cash equivalents, and restricted cash	5,890	21,253
Supplemental cash flow information:
Interest paid	2,295	1,458
Income tax paid	1,347	0
Non-cash activities:
Right of use assets obtained in exchange for operating lease obligations	0	428
Inventories transferred to PPE	163	0
Settlement of convertible debt with ordinary shares	0	7,087
Derecognition of ROU assets and lease liabilities upon lease termination	693	0
Derivative liabilities recorded as debt discount	$ 294	$ 0