Annual report pursuant to Section 13 and 15(d)

Property and Equipment (Narrative) (Details)

v3.21.1
Property and Equipment (Narrative) (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Pilot project [Member]  
Property, Plant and Equipment [Line Items]  
Total of contract deposits $ 1.2
Bitmain [Member]  
Property, Plant and Equipment [Line Items]  
Number of computers acquired 33,646
Pro Antminers Bitmain [Member]  
Property, Plant and Equipment [Line Items]  
Number of computers acquired 3,043
Delivered Beginning in January 2021 [Member]  
Property, Plant and Equipment [Line Items]  
Number of computers acquired 30,603