Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment (Narrative) (Details)

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Property and Equipment (Narrative) (Details) - Miners received at Company's Oklahoma City facility [Member]
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
USD ($)
Property, Plant and Equipment [Line Items]    
Number of computers acquired 1,000  
Value of computers acquired   $ 1.4
Miners [Member]    
Property, Plant and Equipment [Line Items]    
Value of computers acquired   $ 4.9