CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net (loss) income	$ (62,868,000)	$ 1,439,000
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities:
Depreciation and amortization	11,977,000	1,713,000
Interest expense – debt discount	26,958,000	61,000
Gain on extinguishment of debt		(929,000)
Change in fair value of warrant liability	(917,000)	(259,000)
Accretion of original issue discount on notes receivable – related party		(4,213,000)
Accretion of original issue discount on notes receivable	(618,000)	(366,000)
Increase in accrued interest on notes receivable – related party	(148,000)	(119,000)
Stock-based compensation	5,746,000	4,732,000
Impairment of deposit due to vendor bankruptcy filing	2,000,000
Impairment of cryptocurrencies	2,930,000
Realized gains on sale of marketable securities	(19,194,000)	(15,154,000)
Unrealized losses on marketable securities	16,937,000	6,353,000
Unrealized losses (gains) on investments in common stock, related parties	5,676,000	(6,150,000)
Unrealized gains on equity securities	(32,949,000)	(2,795,000)
Loss from investment in unconsolidated entity	924,000
Loss on remeasurement of investment in unconsolidated entity	2,700,000
Changes in operating assets and liabilities:
Marketable equity securities	68,532,000	(34,196,000)
Accounts receivable	(3,022,000)	(1,270,000)
Accrued revenue	(109,000)	(166,000)
Inventories	(5,867,000)	(492,000)
Prepaid expenses and other current assets	1,780,000	(5,155,000)
Digital currencies	(12,227,000)
Other assets	(2,944,000)	(407,000)
Accounts payable and accrued expenses	8,974,000	(1,082,000)
Other current liabilities		2,210,000
Lease liabilities	(1,334,000)	(666,000)
Net cash provided by (used in) operating activities	12,937,000	(56,911,000)
Cash flows from investing activities:
Purchase of property and equipment	(84,500,000)	(28,145,000)
Investment in promissory notes and other, related parties	(2,200,000)	(4,994,000)
Investments in common stock and warrants, related parties	(4,840,000)	(19,590,000)
Investment in real property, related party		(2,670,000)
Proceeds from sale of investment in real property, related party		2,670,000
Purchase of SMC, net of cash received	(8,239,000)
Purchase of GIGA, net of cash received	(3,687,000)
Cash received upon acquisition of AVLP	1,245,000
Acquisition of non-controlling interests	(3,901,000)
Purchase of marketable equity securities	(1,981,000)	(2,144,000)
Sales of marketable equity securities	11,748,000	430,000
Investments in loans receivable	(7,081,000)
Principal payments on loans receivable	10,525,000
Sale of digital currencies	8,952,000
Investments in equity securities	(22,449,000)	(14,287,000)
Net cash used in investing activities	(106,408,000)	(68,730,000)
Cash flows from financing activities:
Gross proceeds from sales of common stock	167,983,000	160,483,000
Financing cost in connection with sales of common stock	(4,103,000)	(4,952,000)
Proceeds from sales of preferred stock	3,873,000
Financing cost in connection with sales of preferred stock	(602,000)
Proceeds from notes payable	18,565,000	724,000
Repayment of margin accounts	(16,111,000)
Payments on notes payable	(67,698,000)	(2,263,000)
Payments of preferred dividends	(239,000)	(13,000)
Purchase of treasury stock	(15,607,000)	(2,773,000)
Payments on revolving credit facilities, net		(125,000)
Net cash provided by financing activities	86,061,000	151,081,000
Effect of exchange rate changes on cash and cash equivalents	920,000	(73,000)
Net (decrease) increase in cash and cash equivalents and restricted cash	(6,490,000)	25,367,000
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	14,743,000	44,047,000
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	5,202,000	712,000
Non-cash investing and financing activities:
Conversion of convertible notes payable into shares of common stock		449,000
Settlement of accounts payable with digital currency	417,000	119,000
Conversion of investment in unconsolidated entity for acquisition of AVLP	20,706,000
Conversion of convertible notes payable, related party into shares of common stock	400,000	400,000
Conversion of debt and equity securities to marketable securities	40,324,000	2,656,000
Conversion of loans receivable to marketable securities	3,650,000
Conversion of interest receivable to marketable securities	250,000
Conversion of loans receivable to debt and equity securities		150,000
Recognition of new operating lease right-of-use assets and lease liabilities	$ 2,188,000