Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details Narrative)

v3.19.1
Summary of Significant Accounting Policies (Details Narrative) - USD ($)
12 Months Ended
May 18, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Cash   $ 18,417,513 $ 185,151 $ 5,898
Working capital   15,586,510    
Accumulated deficit   159,856,481 156,435,278  
Net income (loss) $ 97,152 3,421,203 75,363,496  
Liabilities deconsolidated $ 3,700,000      
Cash balances in excess of FDIC insurance limits   862,145    
Held in money market   16,992,416  
Allowance for uncollectable amounts   84,542 35,000  
Inventory reserve   396,000 209,325  
Revenue recognition, contract liabilities   264,860    
Deferred revenue   324,956 324,956  
Revenues   $ 2,686,237 2,500,357  
Tax benefits recognized likelihood of being realized upon ultimate settlement   The tax benefits recognized in the financial statements from such a position should be measured based on the largest benefit that has a greater than 50% likelihood of being realized upon ultimate settlement by examining taxing authorities.    
Unrecognized tax benefits    
Accounts Receivable [Member] | Significant Customer [Member]        
Concentration risk, percentage   35.00%    
Rebate Revenue [Member]        
Deferred revenue   $ 106,066 181,913  
Grant and Rebate [Member]        
Revenues   74,776 120,905  
Alternative Fuel Credits [Member]        
Revenues   $ 331,120    
Trademarks [Member]        
Finite intangible assets useful life   10 years    
Patents [Member] | Maximum [Member]        
Finite intangible assets useful life   20 years    
EV Charging Stations [Member]        
Fixed assets held for sale