Quarterly report pursuant to Section 13 or 15(d)

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

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Revenue Recognition and Contracts with Customers (Company's total revenue was comprised of four major product lines) (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Sales Revenue Net $ 1,923,400 $ 1,405,100 $ 6,114,877 $ 3,941,025
Smart Glasses and iWear Video Headphones Sales [Member]        
Sales Revenue Net 1,839,250 1,093,413 4,959,496 2,841,439
OEM Product Sales [Member]        
Sales Revenue Net 0 0 766,065 0
Waveguide Sales [Member]        
Sales Revenue Net 3,250 45,000 127,900 161,305
Engineering Services [Member]        
Sales Revenue Net $ 80,900 $ 266,687 $ 261,416 $ 938,281