Annual report pursuant to Section 13 and 15(d)

Common Stock Options - Schedule of Option Exercise Price Range (Details)

v3.21.1
Common Stock Options - Schedule of Option Exercise Price Range (Details)
12 Months Ended
Dec. 31, 2020
$ / shares
shares
Equity [Abstract]  
Shares Underlying Options Outstanding, Exercise Price Range, Lower Range Limit $ 0.13
Shares Underlying Options Outstanding, Exercise Price Range, Upper Range Limit $ 0.56
Shares Underlying Options Outstanding, shares | shares 1,275,000
Shares Underlying Options Outstanding, Weighted Average Remaining Life (Years) 6 years 4 months 9 days
Shares Underlying Options Outstanding, Weighted Average Exercise Price $ 0.36
Shares Underlying Options Exercisable, Number of shares, shares | shares 632,640
Shares Underlying Options Exercisable, Weighted Average Exercise Price $ 0.49