Annual report pursuant to Section 13 and 15(d)

Revenue Recognition and Contracts with Customers (Company's total revenue was comprised of four major product lines) (Detail)

v3.19.1
Revenue Recognition and Contracts with Customers (Company's total revenue was comprised of four major product lines) (Detail) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Revenue $ 1,979,000 $ 1,923,000 $ 2,648,000 $ 1,544,000 $ 1,597,000 $ 1,405,000 $ 1,325,000 $ 1,211,000 $ 8,094,368 $ 5,537,753 $ 2,127,378
Smart Glasses and iWear Video Headphones Sales [Member]                      
Revenue                 6,512,202 4,197,633 1,878,124
Oem Product Sales [Member]                      
Revenue                 994,500 0 0
Wave guide Sales [Member]                      
Revenue                 185,400 351,056 109,754
Engineering Services [Member]                      
Revenue                 $ 402,266 $ 989,064 $ 139,500