Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating Activities
Net loss	$ (15,464)	$ (1,840)
Net income from discontinued operations (including gain on sale of MTI Instruments of $7,602 for the six months ended June 30, 2022)	(7,772)	(177)
Net loss from continuing operations	(23,236)	(2,017)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	14,611	225
Stock-based compensation	1,952	1,039
Consultant stock compensation	67	49
Deferred income taxes	(797)
Impairment on fixed assets	750
Amortization of operating lease asset	100	76
Amortization on deferred financing costs and discount on notes	5,353
Loss on sale of fixed assets	1,618
Changes in operating assets and liabilities:
Accounts receivable	(157)	(27)
Prepaid expenses and other current assets	(393)	(371)
Other long-term assets	56	(2)
Accounts payable	1,882	1,507
Deferred revenue	(9)
Operating lease liabilities	(98)	(73)
Other liabilities		61
Accrued liabilities	64	328
Net cash provided by operating activities	1,763	795
Net cash provided by operating activities- discontinued operations	328	301
Investing Activities
Purchases of equipment	(52,618)	(1,319)
Purchases of intangible assets	(79)
Proceeds from disposal on equipment	465
Deposits of equipment, net	1,603	(6,133)
Net cash used in investing activities	(50,629)	(7,452)
Net cash provided by (used in) investing activities- discontinued operations	9,025	(17)
Financing Activities
Proceeds from preferred offering	11,657
Proceeds from common stock offering		17,250
Proceeds from notes and debt issuance	29,736
Costs of preferred offering	(1,904)
Costs of common stock offering		(1,495)
Costs of notes and short term debt issuance	(4,333)
Cash dividend distribution on preferred stock	(2,131)
Proceeds from stock option exercises	77	84
Proceeds from common stock warrant exercises	779
Net cash provided by financing activities	33,881	15,839
(Decrease) increase in cash-continuing operations	(14,985)	9,182
Increase in cash- discontinued operations	9,353	284
Cash – beginning of period	10,258	2,630
Cash – end of period	4,626	12,096
Supplemental Disclosure of Cash Flow Information
Noncash equipment financing	4,620
Interest paid on NYDIG loans	770
Proceed receivable from sale of MTI Instruments	205
Notes converted to common stock	1,342
Warrant consideration in relation to promissory notes	5,317
Promissory note conversion to preferred shares	$ 15,236
Purchase of miner equipment using restricted stock		(207)
Registration fees in prepaids and accounts payable		$ 352