Annual report pursuant to Section 13 and 15(d)

Equity Awards (Tables)

v3.22.2.2
Equity Awards (Tables)
12 Months Ended
May 31, 2022
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock Option and Warrant Activity

Weighted 

average

Weighted

remaining

Aggregate

Number of

average

contractual

intrinsic

(in thousands, except per share data)

    

shares

    

exercise price

    

life in years

    

value

Options and warrants outstanding at May 31, 2020

 

130,561

$

0.65

 

5.79

$

896

Granted

 

7,036

$

3.82

 

 

Exercised

 

(75,735)

$

0.59

 

 

Forfeited, expired, and cancelled

 

(1,088)

$

1.66

 

 

Options and warrants outstanding at May 31, 2021

 

60,774

$

0.95

 

4.37

$

68,061

Granted

 

50,205

$

0.72

 

 

Exercised

 

(5,677)

$

0.71

 

 

Forfeited, expired, and cancelled

 

(14,597)

$

1.36

 

 

Options and warrants outstanding at May 31, 2022

 

90,705

$

0.77

 

4.06

$

352

Options and warrants outstanding and exercisable at May 31, 2022

 

82,918

$

0.69

 

3.61

$

352

Schedule of options and warrants exercises

Years ended May 31,

(in thousands)

    

2022

    

2021

    

2020

Option and warrant exercises:

 

 

Number of options and warrants exercised

 

5,677

75,735

 

101,853

Cash received

 

$

6,816

$

38,327

 

$

44,024

Aggregate intrinsic value

 

$

5,815

$

298,891

 

$

112,145

Schedule of assumptions used in determination of fair value

Years ended May 31,

2022

    

2021

    

2020

Expected Volatility

94.3% - 122.0

%

80.3% - 127.8

%

0.0% - 92.8

%

Weighted-Average Volatility

104.89

%

84.86

%

52.29

%

Expected Dividends

-

%

-

%

-

%

Expected Term (In years)

1.5 - 6.0

2.5 - 6.0

0.9 - 10.0

Risk-Free Rate

1.67

%

0.45

%

1.46

%