Annual report pursuant to Section 13 and 15(d)

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

v3.20.1
Common Stock Options - Schedule of Option Exercise Price Range (Details)
12 Months Ended
Dec. 31, 2019
$ / shares
shares
Common Stock Options  
Exercise Price Range, Upper Range Limit $ 0.50
Options Outstanding, Number of shares, shares | shares 766,669
Options Outstanding, Weighted Average Remaining Life (Years) 2 years 1 month 2 days
Options Outstanding, Weighted Average Exercise Price $ 0.50
Options Exercisable, Number of shares, shares | shares 679,148
Options Exercisable, Weighted Average Exercise Price $ 0.50