Quarterly report pursuant to Section 13 or 15(d)

Equity Awards and Warrants (Tables)

v3.23.4
Equity Awards and Warrants (Tables)
6 Months Ended
Nov. 30, 2023
Equity Awards and Warrants  
Schedule of warrant liability and equity

​

​

​

​

(in thousands)

    

Derivative liability

Balance at May 31, 2023

$

79

Value upon notes converted to units in the private offering

 

4,379

Warrants classified as equity during quarter

 

(79)

Gain on derivative due to change in fair market value

 

(4)

Balance at August 31, 2023

$

4,375

Value upon liability-classified equity instruments reclassified to equity

​

(4,393)

Warrants classified as a liability during quarter

​

34

Loss on derivative due to change in fair market value

​

17

Balance at November 30, 2023

$

33

Schedule of assumptions used in determination of fair value

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

    

​

​

​

​

​

​

​

​

​

​

    

Placement

​

Note conversion

    

Placement Agent

​

Note conversion

​

Note conversion

​

Placement Agent

Placement Agent

​

​

Agent warrants

​

warrants on

​

warrants at

​

warrants at

​

warrants at

​

warrants at

​

warrants at

​

​

at May 31, 2023

​

conversion date

​

equity classification

​

August 31, 2023

​

equity classification

​

issuance

​

November 30, 2023

Fair value of underlying stock

​

$ 0.26

​

$ 0.21

​

$ 0.27

​

$ 0.21

​

$ 0.17

​

$ 0.18

​

$ 0.17

Risk free rate

​

3.64%

​

4.18%

​

3.74%

​

4.23%

​

4.81%

​

4.42%

​

4.37%

Expected term (in years)

​

10.00

​

5.00

​

10.00

​

5.00

​

5.00

​

10.00

​

10.00

Stock price volatility

​

97.90%

​

124.55%

​

97.45%

​

124.06%

​

124.70%

​

95.82%

​

95.82%

Expected dividend yield

​

0.00%

​

0.00%

​

0.00%

​

0.00%

​

0.00%

​

0.00%

​

0.00%

Schedule of stock option activity

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Weighted 

​

​

​

​

​

​

​

​

​

​

average

​

​

​

​

​

​

​

Weighted

​

remaining

​

Aggregate

​

​

Number of

​

average

​

contractual

​

intrinsic

(in thousands, except per share data and years)

    

shares

    

exercise price

    

life in years

    

value

Options outstanding at May 31, 2023

 

19,823

​

$

0.99

 

7.87

​

$

—

Granted

 

500

​

$

0.26

 

​

​

 

​

Exercised

 

—

​

$

-

 

​

​

 

​

Forfeited, expired, and cancelled

 

(692)

​

$

1.45

 

​

​

 

​

Options outstanding at November 30, 2023

 

19,631

​

$

0.96

 

7.46

​

$

—

Options outstanding and exercisable at November 30, 2023

 

14,187

​

$

1.12

 

6.93

​

$

—

Schedule of Company RSU and PSU activity

​

​

​

​

​

​

​

​

​

​

​

Number of

​

Weighted average

​

remaining contractual

(shares in thousands)

    

RSUs and PSUs (1)

    

grant date fair value

​

life in years

Unvested RSUs and PSUs at May 31, 2023

 

1,293

​

$

0.58

​

0.81

RSUs and PSUs granted

 

—

​

​

—

​

​

RSUs and PSUs forfeited

 

(1,293)

​

​

0.58

​

​

RSUs and PSUs vested

 

—

​

​

—

​

​

Unvested RSUs and PSUs at November 30, 2023

 

—

​

$

—

​

—

​

(1)

The number of PSUs disclosed in this table are at the target level of 100%.

Schedule of Warrant activity

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Weighted 

​

​

​

​

​

​

​

​

​

​

average

​

​

​

​

​

​

​

Weighted

​

remaining

​

Aggregate

​

​

Number of

​

average

​

contractual

​

intrinsic

(in thousands, except for share data and years)

    

shares

    

exercise price

    

life in years

    

value

Warrants outstanding at May 31, 2023

 

259,910

​

$

0.37

 

4.57

​

$

7,276

Granted

 

42,019

​

$

0.40

 

​

​

 

​

Exercised

 

(3,000)

​

$

0.10

 

​

​

 

​

Forfeited, expired, and cancelled

 

(5,603)

​

$

0.75

 

​

​

 

​

Warrants outstanding at November 30, 2023

 

293,326

​

$

0.37

 

4.31

​

$

2,902

Warrants outstanding and exercisable at November 30, 2023

 

293,326

​

$

0.37

 

4.31

​

$

2,902