Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details Narrative)

v3.20.1
Summary of Significant Accounting Policies (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Cash balances in excess of FDIC insurance limits $ 3,494,360  
Allowance for uncollectible amounts 71,935 $ 84,542
Inventory reserve 892,000 396,000
Revenue recognition, contract liabilities 484,508  
Revenues related to network fees and warranty contracts 190,860 324,956
Revenues $ 2,686,237
Accounts Receivable [Member] | Significant Customer [Member]    
Concentration risk, percentage 10.00% 35.00%
Grant, Rebate and Alternative Fuel Credits [Member]    
Revenues $ 22,396 $ 74,776
Grant and Rebate [Member]    
Deferred revenue amortized 83,670 106,066
Alternative Fuel Credits [Member]    
Deferred revenue amortized 123,446 331,120
Product Sales [Member]    
Revenue recognition, contract liabilities $ 856,243 $ 476,930
Product Sales [Member] | Sales Revenue [Member]    
Concentration risk, percentage 11.00%