Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details) - Schedule of warranty liability

v3.21.1
Summary of Significant Accounting Policies (Details) - Schedule of warranty liability - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Schedule of warranty liability [Abstract]    
Balance at beginning of period $ 26,833 $ 26,933
Change in estimated warranty liability
Warranty expenses incurred (100) (100)
Balance at end of period $ 26,733 $ 26,833