CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Cash flows from operating activities:
Net loss	$ (85,892)	$ (29,092)
Adjustments to reconcile net loss to net cash used in operating activities
Share-based compensation expense	2,470	2,355
Depreciation and amortization	4,831	1,285
Noncash lease expense	1,325	878
Non-cash interest income	(226)	(718)
Allowance for doubtful accounts	712	0
Income tax benefit	(2,985)	(378)
Issuance of common stock for professional fees	3,073	749
Other expense	151	43
Change in fair value of contingent consideration	(12,946)	(131)
Impairment losses	44,113	81
Foreign currency exchange losses	176	0
Impairment of and equity in losses of equity method investees	2,784	1,338
Loss on disposal of subsidiary	0	180
Gain on remeasurement of investment	0	(10,965)
Change in assets and liabilities (net of amounts acquired):
Accounts receivable	(1,968)	1,183
Inventory	942	(6,428)
Prepaid expenses and other assets	6,388	(3,967)
Accounts payable	14,235	6,624
Deferred revenue	(354)	1,933
Amount due to related parties	426	101
Accrued expenses, salary and other current liabilities	1,494	(6,991)
Net cash used in operating activities	(21,251)	(41,920)
Cash flows from investing activities:
Acquisition of property and equipment	(132)	(1,132)
Acquisition of intangible asset	0	(85)
Disposal of subsidiaries, net of cash disposed	0	(417)
Acquisition of subsidiaries, net of cash acquired	831	(54,889)
Investment in debt securities	(2,900)	(514)
Investments in long-term investment	0	(120)
Net cash used in investing activities	(2,201)	(57,157)
Cash flows from financing activities
Proceeds from issuance of shares, stock options and warrants	3,129	0
Proceeds from issuance of convertible notes	1,400	0
Proceeds from issuance of preferred stock	9,850	0
Borrowings from related parties	2,000	0
Borrowings from third parties	7,500	0
Proceeds from revolving line of credit	1,725	0
Repayments to third parties	(633)	(147)
Principal payments on revolving line of credit	(2,656)	0
Tax withholding paid for net share settlement of equity awards	0	(83)
Payment of finance lease obligations	(53)	0
Repayments to related parties	(2,000)	0
Net cash provided by (used in) financing activities	20,262	(230)
Effect of exchange rate changes on cash	141	201
Net (decrease) in cash and cash equivalents	(3,049)	(99,106)
Cash and cash equivalents at the beginning of the period	21,929	269,863	$ 269,863
Cash and cash equivalents at the end of the period	18,880	170,757	$ 21,929
Supplemental disclosure of cash flow information:
Cash paid for income tax	6	0
Cash paid for interest	116	0
Issuance of shares for acquisition	26,308	0
Issuance of shares for repayment of convertible note and accrued interest	15,157	0
Purchases of property and equipment with unpaid costs accrued in accounts payable	685	0
Purchases of intangibles with unpaid costs accrued in accounts payable	40	0
Issuance of shares for preferred stock conversion	8,850	0
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 320	$ 6,746