Quarterly report pursuant to Section 13 or 15(d)

Property and equipment (Schedule of Impairment Charges) (Details)

v3.10.0.1
Property and equipment (Schedule of Impairment Charges) (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2018
Property, Plant and Equipment [Line Items]    
Impairment charge $ 26,858,023
Prive Miners [Member]    
Property, Plant and Equipment [Line Items]    
Impairment charge 18,264,759
BMSS Miners [Member]    
Property, Plant and Equipment [Line Items]    
Impairment charge 5,796,179
Kairos Miners [Member]    
Property, Plant and Equipment [Line Items]    
Impairment charge $ 2,797,085