Quarterly report pursuant to Section 13 or 15(d)

Basis of presentation, summary of significant accounting policies (Details)

v3.8.0.1
Basis of presentation, summary of significant accounting policies (Details) - USD ($)
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Cash and cash equivalents $ 5,258,000    
Working capital 8,915,000    
Stockholders' equity 42,651,677   $ 48,869,304
Accumulated deficit (155,613,572)   (139,263,480)
Deferred tax liability 706,709   $ 699,000
Income tax benefit $ 3,053,000  
BDI [Member]      
Percentage of consolidated subsidiaries 100.00%    
Tess Inc [Member]      
Percentage of consolidated subsidiaries 52.00%    
Kairos Global Technology, Inc [Member]      
Percentage of consolidated subsidiaries 100.00%    
Digital Green Energy Corp., Inc. [Member]      
Percentage of consolidated subsidiaries 100.00%    
Logical Brokerage Corp [Member]      
Percentage of consolidated subsidiaries 92.50%    
Deferred tax liability $ 200,000    
Prive Technologies, Inc. [Member]      
Deferred tax liability $ 2,900,000