Annual report pursuant to Section 13 and 15(d)

Basis of Presentation, Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Narrative) (Details)

v3.22.0.1
Basis of Presentation, Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Narrative) (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended 12 Months Ended
Apr. 30, 2021
Jul. 31, 2012
Sep. 30, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Sale proceeds of services       $ 213,243 $ 12,081 $ 6,837
Impairment of intangible assets       700
Amortization of license fees and milestone revenue   $ 1,600   (97) (97) (96)
Allowance for doubtful accounts       100    
Impairment of cryptocurrencies       $ 36,462 $ 989 $ 844
Number of stock holds for shares as security       70,165    
Sales Revenue, Net [Member] | Customer Concentration Risk [Member] | Individual customer [Member]            
Percentage concentration risk       7.50%    
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Seven customers [Member]            
Percentage concentration risk       83.00%    
Coinsquare Investment [Member]            
Impairment of intangible assets       $ 9,400    
Power [Member] | TXU Power Supply Agreement [Member]            
Sale proceeds of services $ 125,100          
Future Power Bills [Member] | TXU Power Supply Agreement [Member] | Beginning in 2022 [Member]            
Cash proceeds from services 59,700          
ERCOT [Member] | Electricity [Member]            
Sale proceeds of services       $ 6,500    
ERCOT [Member] | Power [Member] | TXU Power Supply Agreement [Member]            
Contingent sale proceeds against future remittance     $ 26,300      
Whinstone [Member] | Power [Member] | TXU Power Supply Agreement [Member]            
Cash proceeds from services 29,000          
Power management fees $ 10,000