CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net loss	$ (234,126)	$ (282,085)
Net loss from discontinued operations, net of tax	(29,276)	(68,452)
Net loss from continuing operations	(204,850)	(213,633)
Adjustments to reconcile net loss to net cash used in operating activities
Share-based compensation expense	6,886	10,604
Depreciation and amortization	17,745	5,780
Obsolescence of inventory	219	490
Noncash lease expense	2,184	1,919
Non-cash interest expense (income)	2,955	(1,909)
Allowance for doubtful accounts	1,427	606
Income tax benefit	(5,242)	(1,574)
Issuance of common stock for professional fees	4,436	1,647
Other income (forgiveness of liabilities)	70	404
Change in fair value of contingent consideration, net	(73,767)	(131)
Impairment of and equity in loss of equity method investees	0	15,310
Loss on disposal of fixed assets	0	5
Asset impairments	177,696	86,509
Foreign currency exchange losses	34	1,081
Loss (gain) on disposal of subsidiaries, net	1,152	67
Gain on remeasurement of investment	0	(10,965)
Change in assets and liabilities, net of acquisitions:
Accounts receivable	(606)	(47)
Inventory	9,301	(15,949)
Prepaid expenses and other assets	4,616	(7,328)
Accounts payable	15,388	17,676
Deferred revenue	249	(78)
Amount due to related parties (interest)	(419)	38
Accrued expenses, salary and other current liabilities	2,931	(1,349)
Net cash used in operating activities from continuing operations	(37,595)	(110,827)
Net cash used in operating activities from discontinued operations	(15,062)	(19,162)
Net cash used in operating activities	(52,657)	(129,989)
Cash flows from investing activities:
Acquisition of property and equipment	0	(6,221)
Acquisition of intangible assets	0	(560)
Proceeds from disposal of fixed asset	0	28
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)	(31,932)
Investments in long-term investment	0	(401)
Proceed from long term investment	0	659
Loans to related-party	0	(1,000)
Proceeds from loan repayment	0	400
Proceeds from selling available for sales securities	5,240	4,032
Investment in available for sales securities	0	(165)
Net cash provided by (used in) investing activities from continuing operations	3,171	(90,466)
Net cash used in investing activities from discontinued operations	(1,348)	(4,256)
Net cash used in investing activities	1,823	(94,722)
Cash flows from financing activities
Proceeds from exercise of options and warrants and issuance of common stock	4,026	589
Proceeds from issuance of convertible notes	7,650	4,875
Proceeds from issuance of preferred stock and warrants	9,850	10,000
Borrowings from related parties	2,000	2,000
Borrowings from third parties	8,700	485
Proceeds from revolving line of credit	6,060	5,090
Repayments to third parties	(1,439)	(128)
Principal payments on revolving line of credit	(7,077)	(3,906)
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)
Proceeds (repayments) due from/to related parties	(2,000)	0
Payment of finance lease obligations	(36)	(132)
Net cash provided by (used in) financing activities from continuing operations	27,734	(21,995)
Net cash provided by financing activities from discontinued operations	4,198	971
Net cash provided by (used in) financing activities	31,932	(21,024)
Effect of exchange rate changes on cash	(598)	(2,199)
Net increase (decrease) in cash, cash equivalents and restricted cash	(19,500)	(247,934)
Cash, beginning of period - continuing operations	2,914	232,982
Cash, beginning of period - discontinued operations	19,015	36,881
Total cash, beginning of period	21,929	269,863
Cash, end of period - continuing operations	1,249	2,914
Cash, end of period - discontinued operations	1,180	19,015
Total cash, end of period	2,429	21,929
Supplemental disclosure of cash flow information:
Cash paid for income tax	0	191
Cash paid for interest	485	1,578
Issuance of shares for acquisition	26,308	0
Issuance of shares for convertible notes conversion	16,054	16,789
Issuance of shares for preferred stock conversion	15,837	0
Issuance of shares for repayment of convertible note and accrued interest	0	2,153
Issuance of shares for SEPA inducement	0	754
Issuance of shares for notes receivable	0	2,786
Purchases of property and equipment with unpaid costs accrued in accounts payable	876	541
Purchases of intangibles with unpaid costs accrued in accounts payable	40	136
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	0	6,773
Finance leases	$ 422	$ 1,134