Annual report pursuant to Section 13 and 15(d)

Basis of presentation, summary of significant accounting policies and recent accounting pronouncements (Details)

v3.19.1
Basis of presentation, summary of significant accounting policies and recent accounting pronouncements (Details) - USD ($)
12 Months Ended
Nov. 03, 2017
Dec. 31, 2018
Dec. 31, 2017
Mar. 26, 2018
Dec. 31, 2016
Ownership percentage   48.00%      
Deferred tax liability   $ 142,709 $ 699,000  
Income tax benefit   699,000 1,609,000    
Management fees   7,000 16,000    
Impairment of goodwill   1,186,496    
Impairment charge   29,237,719 5,218,004    
Impairment of intangible assets   1,341,013    
Amortization of license fees and milestone revenue   1,556,000      
Deferred revenue   96,698 96,698    
Deferred revenue, less current portion   871,919 968,617    
Money market funds   32,428,000      
Revenue   7,845,332 269,657    
Expected operating liabilities to be recorded from adoption of FASB ASU 2016-02   1,400,000      
License fees [Member]          
Revenue   $ 96,698 96,698    
Digital currency machine [Member]          
Estimated useful life   2 years      
Computer related assets [Member]          
Estimated useful life   3 years      
Kairos Global Technology, Inc [Member]          
Ownership percentage   100.00%      
Deferred tax liability   $ 0 700,000    
Estimated useful life 2 years        
Impairment charge   $ 300,000 5,200,000    
Digital Green Energy Corp., Inc. [Member]          
Ownership percentage   100.00%      
Logical Brokerage Corp [Member]          
Ownership percentage   92.50%   92.50%  
Deferred tax liability   $ 100,000      
RiotX Holdings Inc [Member]          
Ownership percentage   100.00%      
1172767 B.C. Ltd. [Member]          
Ownership percentage   52.00%      
Impairment of goodwill   $ 2,100,000      
BDI [Member]          
Ownership percentage   100.00%      
Impairment of goodwill     430,000    
Tess Investment [Member]          
Income tax benefit     $ 1,600,000    
Impairment of intangible assets   $ 1,300,000