CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities:
Net loss	$ (65,137)	$ (47,765)
Adjustments to reconcile net loss to net cash used in operating activities
Share-based compensation expense	19,234	8,848
Depreciation and amortization	4,445	1,651
Non-cash interest expense (income)	(616)	14,143
Allowance for doubtful accounts	(141)	585
Income tax benefit	(10,160)	0
Conversion expense	0	2,266
Loss on disposal of subsidiaries, net	1,446	0
Equity in losses of equity method investees	1,517	8
Other income (forgiveness of liabilities)	(777)	0
Professional fees	1,819	0
Gain on extinguishment of debt	(300)	0
Gain on remeasurement of investment	(2,915)	0
Impairment losses	21,033	4,143
Impairment of operating lease assets	0	6,220
Settlement of ROU operating lease liabilities	0	(5,706)
Change in fair value of contingent consideration, net	(7,006)	(2,900)
Change in assets and liabilities (net of amounts acquired):
Accounts receivable	5,042	(2,496)
Inventory	(410)	0
Prepaid expenses and other assets	(16,358)	(689)
Accounts payable	(1,572)	1,358
Deferred revenue	1,260	701
Amount due to related parties	387	1,542
Accrued expenses, salary and other current liabilities	6,971	(3,827)
Net cash used in operating activities	(42,238)	(21,918)
Cash flows from investing activities:
Acquisition of property and equipment	(1,352)	(45)
Acquisition of intangible asset	(263)	0
Proceeds from note receivable repayment	464	1,469
Disposal of subsidiaries, net of cash disposed	(44)	0
Acquisition of subsidiaries, net of cash acquired	(100,579)	0
Long term investment	(31,785)	0
Notes receivable	0	(1,910)
Investment in debt securities	(58,228)	0
Net cash used in investing activities	(191,787)	(486)
Cash flows from financing activities
Proceeds from issuance of convertible notes	220,000	2,000
Proceeds from exercise of options and warrants and issuance of common stock	185,291	39,128
Proceeds from noncontrolling interest shareholder	0	7,148
Borrowings from Small Business Association Paycheck Protection Program	0	460
Repayment of amounts due to related parties	0	(2,999)
Repayment of convertible note	(80,000)	0
Net cash provided by financing activities	325,291	45,737
Effect of exchange rate changes on cash	(100)	1,639
Net increase in cash and cash equivalents	91,166	24,972
Cash and cash equivalents at the beginning of the period	165,764	2,633
Cash and cash equivalents at the end of the period	256,930	27,605
Supplemental disclosure of cash flow information:
Cash paid for income tax	928	0
Cash paid for interest	1,516	311
Issuance of shares for acquisition of DBOT	0	8,074
Tree Technologies measurement period adjustment	0	12,848
Issuance of shares for acquisition	59,808	0
Issuance of shares for convertible notes conversion	140,126	20,069
Issuance of shares for WAVE contingent liabilities	$ 6,305	$ 0