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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Operating Activities    
Net loss- continuing operations $ (9,132) $ (626)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 6,697 75
Stock-based compensation 927 29
Consultant stock compensation 28 25
Deferred income taxes (547)
Amortization of operating lease asset 50 38
Amortization of deferred financing costs and discount on notes 2,447
Changes in operating assets and liabilities:    
Accounts receivable 206 2
Prepaid expenses and other current assets (594) 81
Other long-term assets 59 (2)
Accounts payable 1,405 1,149
Deferred revenue (9)
Operating lease liabilities (49) (37)
Accrued liabilities (687) 98
Net cash provided by operating activities 801 832
 Net cash  provided by operating activities- discontinued operations 510 170
Investing Activities    
Purchases of equipment (25,438) (296)
Purchases of intangible assets (40)
Deposits of equipment, net (2,590) (671)
Net cash used in investing activities (28,068) (967)
 Net cash used in investing activities- discontinued operations (5)
Financing Activities    
Proceeds from preferred offering 1,170
Proceeds from notes and debt issuance 19,767
Costs of preferred offering (155)
Costs of notes and short term debt issuance (1,445)
Cash dividend distribution on preferred stock (749)
Proceeds from stock option exercises 62
Proceeds from common stock warrant exercises 738
Net cash provided by financing activities 19,326 62
Decrease in cash-continuing operations (7,941) (73)
Increase in cash- discontinued operations 510 165
Cash – beginning of period 10,258 2,630
Cash – end of period 2,827 2,722
Supplemental Disclosure of Cash Flow Information    
Noncash equipment financing 4,620
Interest paid on NYDIG loans 335
Noncash consultant stock compensation in prepaids and other assets 24
Warrant consideration in related to promissory notes 2,257
S-3 fees in accounts payable (58)
Notes converted to common stock $ 1,342