Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment (Schedule of Property and Equipment) (Details)

v3.21.1
Property and Equipment (Schedule of Property and Equipment) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Property, Plant and Equipment [Line Items]      
Total cost of property and equipment $ 35,476   $ 14,489
Less accumulated depreciation (7,170)   (4,346)
Property and equipment, net 28,306   10,143
Depreciation expense 2,800 $ 700  
Miners and Mining Equipment [Member]      
Property, Plant and Equipment [Line Items]      
Total cost of property and equipment 35,383   14,406
Office and computer equipment [Member]      
Property, Plant and Equipment [Line Items]      
Total cost of property and equipment 93   $ 83
Patents [Member]      
Property, Plant and Equipment [Line Items]      
Depreciation expense $ 20 $ 30