Annual report pursuant to Section 13 and 15(d)

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

v3.20.1
Revenue Recognition and Contracts with Customers - Company's total revenue by major product lines (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Revenue $ 1,953,000 $ 1,159,000 $ 2,186,000 $ 1,373,000 $ 1,979,000 $ 1,923,000 $ 2,648,000 $ 1,544,000 $ 6,670,604 $ 8,094,368 $ 5,537,753
Smart Glasses and iWear Video Headphone Sales [Member]                      
Revenue                 4,893,384 6,512,202 4,197,633
OEM Product Sales [Member]                      
Revenue                 951,570 994,500  
Waveguide and Display Engine Sales [Member]                      
Revenue                 152,499 185,400 351,056
Engineering Services [Member]                      
Revenue                 $ 673,151 $ 402,266 $ 989,064