Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating Activities
Net loss- continuing operations	$ (6,388,000)	$ (1,210,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,703,000	81,000
Stock based compensation	1,941,000	40,000
Consultant stock compensation	104,000
Deferred income taxes	41,000	(336,000)
Amortization of operating lease asset	169,000	86,000
Amortization on deferred financing costs and discount on notes	1,876,000
Changes in operating assets and liabilities:
Accounts receivable	(471,000)	(26,000)
Prepaid expenses and other current assets	(956,000)	3,000
Other long-term assets	(812,000)	(309,000)
Accounts payable	2,765,000	163,000
Deferred revenue	316,000
Income taxes and uncertain tax positions		2,000
Operating lease liabilities	(156,000)	(82,000)
Other liabilities	306,000	203,000
Accrued liabilities	2,197,000	171,000
Net cash provided by  (used in) operating activities	4,635,000	(1,214,000)
Net cash  provided by operating activities- discontinued operations	917,000	3,115,000
Investing Activities
Purchases of equipment	(45,792,000)	(805,000)
Purchases of intangible assets	(1,567,000)
Deposits of equipment, net	(9,909,000)	(279,000)
Purchase of stock in equity investment		(750,000)
Net cash used in investing activities	(57,268,000)	(1,834,000)
Net cash used in investing activities- discontinued operations	(37,000)	(30,000)
Financing Activities
Proceeds from equity offering	17,250,000
Proceeds from preferred offering	27,965,000
Proceeds from notes issuance	15,000,000
Costs of equity offering	(1,847,000)
Costs of preferred offering	(2,707,000)
Costs of notes issuance	(1,338,000)
Cash dividends on preferred stock	(630,000)
Borrowings under line of credit	1,000,000
Proceeds from stock option exercises	102,000	83,000
Proceeds from common stock warrant exercises	4,586,000
Net cash provided by financing activities	59,381,000	83,000
Increase (decrease) in cash-continuing operations	6,748,000	(2,965,000)
Increase in cash- discontinued operations	880,000	3,085,000
Cash - beginning of period	2,630,000	2,510,000
Cash - end of period	10,258,000	2,630,000
Supplemental Disclosure of Cash Flow Information
Purchase of miner equipment using restricted stock	(207,000)
Termination shares issued in conjunction with merger for intangible assets	1,917
S-3 fees in accounts payable	(200,000)
Warrants exercised prior to year-end not received until subsequent period	206,000
Share consideration in relation to strategic pipeline contract	$ 33,000,000