Annual report pursuant to Section 13 and 15(d)

Stock Option Plans and 401(k) Plan (Details 3)

v3.21.2
Stock Option Plans and 401(k) Plan (Details 3)
12 Months Ended
Mar. 31, 2021
$ / shares
shares
Number outstanding | shares 14,638,088
Weighted average remaining years until expiration 7 years 11 months 1 day
Weighted average exercise price | $ / shares $ 1.34
Number exercisable | shares 10,732,059
Exercisable weighted average exercise price | $ / shares $ 1.29
0.398 to 0.89  
Number outstanding | shares 2,590,000
Weighted average remaining years until expiration 9 years 1 month 13 days
Weighted average exercise price | $ / shares $ 0.48
Number exercisable | shares 1,574,795
Exercisable weighted average exercise price | $ / shares $ 0.45
0.90 to 1.18  
Number outstanding | shares 3,240,000
Weighted average remaining years until expiration 7 years 5 months 1 day
Weighted average exercise price | $ / shares $ 1.09
Number exercisable | shares 2,871,049
Exercisable weighted average exercise price | $ / shares $ 1.1
1.19 to 1.46  
Number outstanding | shares 2,500,000
Weighted average remaining years until expiration 8 years 1 month 17 days
Weighted average exercise price | $ / shares $ 1.36
Number exercisable | shares 2,155,468
Exercisable weighted average exercise price | $ / shares $ 1.35
1.47 to 1.63  
Number outstanding | shares 3,177,253
Weighted average remaining years until expiration 5 years 10 months 6 days
Weighted average exercise price | $ / shares $ 1.52
Number exercisable | shares 3,177,253
Exercisable weighted average exercise price | $ / shares $ 1.52
1.64 to 15.00  
Number outstanding | shares 3,130,835
Weighted average remaining years until expiration 9 years 4 months 24 days
Weighted average exercise price | $ / shares $ 2.14
Number exercisable | shares 953,494
Exercisable weighted average exercise price | $ / shares $ 2.38