XML 32 R20.htm IDEA: XBRL DOCUMENT v3.21.1
Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2020
Accounting Policies [Abstract]  
Schedule of Digital Currencies

The following table presents the activities of digital currencies for the years ended December 31, 2020 and 2019:

 

Digital currencies at January 1, 2019   $ 30  
Additions of digital currencies from mining     836  
Payment of digital currencies to management partners     (198 )
Realized gain on sale of digital currencies     46  
Net realizable value adjustment     (22 )
Sale of digital currencies     (674 )
Digital currencies at December 31, 2019     18  
Additions of digital currencies from mining     1,434  
Additions of digital currencies from the sale of property and equipment     53  
Payment of digital currencies to management partners     (90 )
Realized gain on sale of digital currencies     29  
Net realizable value adjustment     (2 )
Sale of digital currencies     (1,438 )
Digital currencies at December 31, 2020   $ 4