CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net loss	$ (187,573)	$ (107,217)
Net loss from discontinued operations	(24,206)	(20,237)
Net loss from continuing operations	(163,367)	(86,980)
Adjustments to reconcile net loss to net cash used in operating activities
Share-based compensation expense	6,505	7,453
Depreciation and amortization	16,160	4,011
Obsolescence of inventory	0	49
Noncash lease expense	1,627	1,412
Non-cash interest expense (income)	1,458	(2,265)
Allowance for doubtful accounts	(76)	559
Income tax benefit	(4,258)	(742)
Issuance of common stock for professional fees	4,416	1,766
Other (income) expense	150	(453)
Change in fair value of contingent consideration	(74,416)	(131)
Impairment losses	153,084	700
Foreign currency exchange losses	52	2,096
Impairment of and equity in losses of equity method investees	0	2,357
Loss (gain) on disposal of subsidiary	(2,869)	180
Gain on remeasurement of investment	0	(10,965)
Change in assets and liabilities (net of amounts acquired):
Accounts receivable	1,002	(1,996)
Inventory	6,461	(10,602)
Prepaid expenses and other assets	2,506	(4,335)
Accounts payable	17,100	11,962
Deferred revenue	692	(653)
Amount due to related parties	14	(130)
Accrued expenses, salary and other current liabilities	(353)	(7,074)
Net cash used in operating activities from continuing operations	(34,112)	(93,781)
Net cash used in operating activities from discontinued operations	(10,652)	(15,506)
Net cash used in operating activities	(44,764)	(109,287)
Cash flows from investing activities:
Acquisition of property and equipment	0	(6,995)
Acquisition of intangible asset	0	(563)
Disposal of subsidiaries, net of cash disposed	0	(417)
Acquisition of subsidiaries, net of cash acquired	831	(54,889)
Proceeds from selling available for sales securities	2,078	4,032
Investment in debt securities	(2,900)	(27,646)
Investments in long-term investment	0	(274)
Proceed from selling long-term investment	0	659
Notes receivable from related party	0	(1,000)
Investment in available for sales securities	0	(165)
Net cash provided by (used in) investing activities from continuing operations	9	(87,258)
Net cash used in investing activities from discontinued operations	(2,856)	(3,590)
Net cash used in investing activities	(2,847)	(90,848)
Cash flows from financing activities
Proceeds from issuance of shares, stock options and warrants	4,026	(11)
Proceeds from issuance of convertible notes	7,650	0
Proceeds from issuance of preferred stock	9,850	0
Borrowings from related parties	2,070	0
Borrowings from third parties	8,700	297
Proceeds from revolving line of credit	5,973	0
Repayments to third parties	(1,439)	(2,019)
Principal payments on revolving line of credit	(7,031)	0
Repayment of convertible notes	0	(40,833)
Proceeds from noncontrolling interest shareholder	0	49
Tax withholding paid for net share settlement of equity awards	0	(84)
Payment of finance lease obligations	(27)	(160)
Repayments to related parties	(2,070)	0
Net cash provided by (used in) financing activities from continuing operations	27,702	(42,761)
Net cash provided by financing activities from discontinued operations	4,217	(27)
Net cash provided by (used in) financing activities	31,919	(42,788)
Effect of exchange rate changes on cash	(42)	(1,755)
Net decrease in cash and cash equivalents	(15,734)	(244,678)
Cash, beginning of period - continuing operations	3,245	233,184
Cash, beginning of period - discontinued operations	18,684	36,679
Total cash, beginning of period	21,929	269,863
Cash, end of period - continuing operations	1,884	5,062
Cash, end of period - discontinued operations	4,311	20,123
Total cash, end of period	6,195	25,185
Supplemental disclosure of cash flow information:
Cash paid for income tax	0	0
Cash paid for interest	485	1,383
Issuance of shares for acquisition	26,308	0
Issuance of shares for repayment of convertible note and accrued interest	16,054	7,523
Purchases of property and equipment with unpaid costs accrued in accounts payable	868	0
Purchases of intangibles with unpaid costs accrued in accounts payable	40	0
Issuance of shares for preferred stock conversion	15,837	0
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 693	$ 0