Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition and Contracts with Customers - Company's total revenue by major product lines (Details)

v3.20.2
Revenue Recognition and Contracts with Customers - Company's total revenue by major product lines (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Revenue $ 3,036,843 $ 2,185,861 $ 4,568,559 $ 3,559,232
Smart Glasses Sales [Member]        
Revenue 2,335,189 835,847 3,706,699 2,114,218
OEM Product Sales [Member]        
Revenue   951,570   951,570
Waveguide and Display Engine Sales [Member]        
Revenue   47,498   142,498
Engineering Services [Member]        
Revenue $ 701,654 $ 350,946 $ 861,860 $ 350,946