Condensed Consolidated Statements Of Operations And Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
REVENUE:
Total revenue	$ 16,176	$ 4,672	$ 27,239	$ 7,814
OPERATING COSTS AND EXPENSES
Selling, general, and administrative expenses	4,565	1,189	8,060	2,638
Depreciation and amortization	1,603	1,130	2,864	2,163
Total operating costs and expenses	10,892	4,901	20,070	9,410
Income (loss) from operations	5,284	(229)	7,169	(1,596)
OTHER INCOME (EXPENSE), NET:
Interest expense	(202)	0	(368)	0
Interest expense—related party	0	(273)	(22)	(540)
(Loss) gain on sale of digital assets	(154)	(44)	141	(25)
Other (expense) income, net	(13)	(25)	6	(16)
Total other expense, net	(369)	(342)	(243)	(581)
INCOME (LOSS) BEFORE INCOME TAXES	4,915	(571)	6,926	(2,177)
Provision for income taxes	(1,397)	0	(2,129)	0
NET INCOME (LOSS) AND TOTAL COMPREHENSIVE INCOME (LOSS)	$ 3,518	(571)	$ 4,797	(2,177)
Earnings per share:
Basic	$ 0.10		$ 0.15
Diluted	$ 0.08		$ 0.12
Cryptocurrency Mining [Member]
REVENUE:
Total revenue	$ 14,064	3,341	$ 23,061	5,630
OPERATING COSTS AND EXPENSES
Cost of revenue	2,754	1,362	5,150	1,939
Power and Capacity [Member]
REVENUE:
Total revenue	2,112	1,331	4,178	2,184
OPERATING COSTS AND EXPENSES
Cost of revenue	$ 1,970	$ 1,220	$ 3,996	$ 2,670