Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition and Contracts with Customers - Additional Information (Details)

v3.20.2
Revenue Recognition and Contracts with Customers - Additional Information (Details)
6 Months Ended
Jun. 30, 2020
USD ($)
Standard Product Warranty Term 12 months
Revenue, Performance Obligation, Total Transaction Price $ 855,000
Expects to Recognize Sales in Existing Remaining Performance Obligation 10,000
Accrued Project Revenue 175,005
Maximum [Member]  
Revenue, Remaining Performance Obligation $ 10,000
Extended Warranties [Member]  
Standard Product Warranty Term 12 months
Revenue, Remaining Performance Obligation $ 43,000
OEM Product and Waveguide Sales [Member]  
Standard Product Warranty Term 18 months