CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net loss	$ (122,981)	$ (68,364)
Loss from discontinued operations, net of tax	(18,168)	(7,970)
Net loss from continuing operations	(104,813)	(60,394)
Adjustments to reconcile net loss to net cash used in operating activities
Share-based compensation expense	5,786	5,218
Depreciation and amortization	10,480	2,548
Noncash lease expense	1,542	1,853
Non-cash interest income	(15)	(1,394)
Allowance for doubtful accounts	0	559
Income tax benefit	(3,382)	(338)
Issuance of common stock for professional fees	4,356	951
Other (income) expense	150	(99)
Change in fair value of contingent consideration	(12,946)	(131)
Impairment losses	37,984	402
Foreign currency exchange losses	223	0
Impairment of and equity in losses of equity method investees	0	1,928
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	(1,048)	(1,812)
Inventory	4,724	(8,343)
Prepaid expenses and other assets	8,327	(6,517)
Accounts payable	15,814	6,727
Deferred revenue	548	383
Amount due to related parties	404	(6)
Accrued expenses, salary and other current liabilities	607	(7,374)
Net cash used in operating activities from continuing operations	(31,259)	(76,624)
Net cash used in operating activities from discontinued operations	(7,564)	(5,745)
Net cash provided by (used in) operating activities	(38,823)	(82,369)
Cash flows from investing activities:
Acquisition of property and equipment	(136)	(3,362)
Acquisition of intangible asset	0	(469)
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	0	337
Investment in debt securities	(2,900)	(12,800)
Investments in long-term investment	0	(127)
Notes receivable from related party	0	(1,000)
Net cash used in investing activities from continuing operations	(2,205)	(72,727)
Net cash used in investing activities from discontinued operations	(55)	(3,590)
Net cash used in investing activities	(2,260)	(76,317)
Cash flows from financing activities
Proceeds from issuance of shares, stock options and warrants	4,026	0
Proceeds from issuance of convertible notes	5,650	0
Proceeds from issuance of preferred stock	9,850	0
Borrowings from related parties	2,000	0
Borrowings from third parties	8,700	279
Proceeds from revolving line of credit	3,550	0
Repayments to third parties	(986)	0
Principal payments on revolving line of credit	(3,995)	0
Repayment of convertible notes	0	(24,664)
Proceeds from noncontrolling interest shareholder	0	49
Tax withholding paid for net share settlement of equity awards	0	(84)
Payment of finance lease obligations	(106)	0
Repayments to related parties	(2,000)	0
Net cash provided by (used in) financing activities from continuing operations	26,689	(24,420)
Net cash provided by financing activities from discontinued operations	4,295	0
Net cash provided by (used in) financing activities	30,984	(24,420)
Effect of exchange rate changes on cash	(59)	(1,249)
Net (decrease) in cash and cash equivalents	(10,158)	(184,355)
Cash, beginning of period - continuing operations	3,759	234,181
Cash, beginning of period - discontinued operations	18,170	35,682
Total cash, beginning of period	21,929	269,863
Total cash, end of period	11,771	85,508
Cash, end of period - continuing operations	2,895	68,833
Cash, end of period - discontinued operations	8,876	16,675
Supplemental disclosure of cash flow information:
Cash paid for income tax	41	159
Cash paid for interest	348	1,188
Issuance of shares for acquisition	26,308	0
Issuance of shares for repayment of convertible note and accrued interest	16,054	0
Purchases of property and equipment with unpaid costs accrued in accounts payable	867	0
Purchases of intangibles with unpaid costs accrued in accounts payable	49	0
Issuance of shares for preferred stock conversion	12,390	0
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 644	$ 0