Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Tables)

v3.21.2
Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2021
Accounting Policies [Abstract]
Schedule of warranty liability
For the Six Months Ended
June 30,
2021 2020
Balance at beginning of period $ 26,833 $ 26,933
Warranty expenses incurred (100 ) (100 )
Balance at end of period $ 26,733 $ 26,833

Schedule of diluted common shares outstanding
June 30,
2021 2020
Convertible notes
-
149,603,175
Stock options 8,445,698 8,445,698
Warrants 1,000,000 2,338,750
Series B preferred stock 114,598,413 25,481,481
Series C preferred stock 250,793,651 15,428,571
Non-vested, forfeitable common shares 13,270,120 23,851,926
388,107,882 225,149,601