CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net (loss) income	$ (28,787,000)	$ 6,047,000
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities:
Depreciation	2,562,000	162,000
Amortization	80,000	104,000
Amortization of right-of-use assets	339,000	229,000
Amortization, related party	173,000	8,000
Interest expense – debt discount	26,461,000	20,000
Gain on extinguishment of debt		(482,000)
Change in fair value of warrant liability	18,000	679,000
Accretion of original issue discount on notes receivable – related party		(4,000)
Accretion of original issue discount on notes receivable	(276,000)	(65,000)
Increase in accrued interest on notes receivable – related party	(54,000)	(1,000)
Stock-based compensation	2,685,000	20,000
Impairment of cryptocurrencies	439,000
Realized gains on sale of marketable securities	5,707,000	(4,892,000)
Unrealized gains on marketable securities	(13,515,000)	(2,260,000)
Unrealized (gains) losses on investments in equity securities, related parties	4,694,000	(3,123,000)
Unrealized gains on equity securities	(13,461,000)	(58,000)
Loss from investment in unconsolidated entity	533,000
Changes in operating assets and liabilities:
Marketable equity securities	32,649,000	(8,870,000)
Accounts receivable	(621,000)	301,000
Accrued revenue	(484,000)	104,000
Inventories	(1,723,000)	(118,000)
Prepaid expenses and other current assets	7,431,000	(91,000)
Digital currencies	(3,809,000)
Other assets	(704,000)	(86,000)
Accounts payable and accrued expenses	4,961,000	(1,713,000)
Other current liabilities		78,000
Lease liabilities	(270,000)	(230,000)
Net cash provided by (used in) operating activities	25,028,000	(14,241,000)
Cash flows from investing activities:
Purchase of property and equipment	(35,359,000)	(4,349,000)
Investment in promissory notes and other, related parties	(700,000)	(3,595,000)
Investments in common stock and warrants, related parties	(194,000)	(4,756,000)
Investment in real property, related party		(2,670,000)
Purchase of marketable equity securities	(158,000)
Sales of marketable equity securities	10,210,000	430,000
Investments in loans receivable	(246,000)
Principal payments on loans receivable	1,500,000
Sale of digital currencies	4,377,000
Investments in equity securities	(3,820,000)	(1,787,000)
Net cash used in investing activities	(24,390,000)	(16,727,000)
Cash flows from financing activities:
Gross proceeds from sales of common stock	110,147,000	124,983,000
Financing cost in connection with sales of equity securities	(2,758,000)	(4,065,000)
Proceeds from notes payable	295,000
Repayment of margin accounts	(18,488,000)
Payments on notes payable	(65,986,000)	(972,000)
Payments of preferred dividends	(5,000)	(4,000)
Purchase of treasury stock	(992,000)
Payments on revolving credit facilities, net		(8,000)
Net cash provided by financing activities	22,213,000	119,934,000
Effect of exchange rate changes on cash and cash equivalents	57,000	152,000
Net increase in cash and cash equivalents and restricted cash	22,908,000	89,118,000
Cash and cash equivalents and restricted cash at beginning of period	21,233,000	18,680,000
Cash and cash equivalents and restricted cash at end of period	44,141,000	107,798,000
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	2,572,000	658,000
Non-cash investing and financing activities:
Conversion of convertible notes payable into shares of common stock		450,000
Payment of accounts payable with digital currency	413,000	119,000
Conversion of convertible notes payable, related party into shares of common stock	400,000
Recognition of new operating lease right-of-use assets and lease liabilities	2,188,000
Purchase of marketable equity securities for future payment		$ 33,647,000