Annual report pursuant to Section 13 and 15(d)

Schedule of Stock Option Activity (Details)

v3.21.1
Schedule of Stock Option Activity (Details) - Stock Options [Member] - $ / shares
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Option Indexed to Issuer's Equity [Line Items]    
Number of Options, Outstanding at Beginning 17,529,000 13,457,000
Weighted average Exercise Price, Outstanding at Beginning $ 1.26 $ 1.11
Weighted Average Contractual Term in Years, Beginning 6 years 2 months 12 days 6 years 2 months 12 days
Number of Options, Granted 6,501,000 4,539,000
Weighted average Exercise Price, Granted $ 1.59 $ 1.05
Number of Options, Exercised (826,000) [1] (73,000)
Weighted average Exercise Price, Exercised $ 0.74 [1] $ 0.42
Number of Options, Forfeited (72,000) (334,000)
Weighted average Exercise Price, Forfeited $ 1.11 $ 1.00
Number of Options, Cancelled
Weighted average Exercise Price, Cancelled
Number of Options, Expired (581,000) (60,000)
Weighted average Exercise Price, Expired $ 1.25 $ 2.19
Number of Options, Outstanding at Ending 22,551,000 17,529,000
Weighted average Exercise Price, Outstanding at Ending $ 1.26 $ 1.11
Weighted Average Contractual Term in Years, Ending 6 years 10 months 24 days 6 years 2 months 12 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning Balance $ 1.11 $ 1.13
[1] Resulted in the issuance of approximately 782 thousand shares of common stock due to certain cashless exercises.