Annual report pursuant to Section 13 and 15(d)

Deferred Revenue (Details Narrative)

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Deferred Revenue (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Grant, rebate and incentive revenue recognized $ 21,558 $ 22,396
Deferred revenue 431,218 568,178
Warranty and Network Fees [Member]    
Revenue $ 452,556  
Deferred revenue   $ 145,693