v3.26.1
Stockholder's equity (Tables)
12 Months Ended
Mar. 31, 2026
Disclosure of classes of share capital [abstract]  
Summary of Activity Related to Outstanding Warrants

The following summarizes activity related to the Company's outstanding warrants for the years ended March 31, 2026, 2025 and 2024:

 

Warrants

 

 

Weighted Average Exercise Price

 

 

Weighted Average Remaining Contractual Life (Years)

 

At March 31, 2023

 

39,813

 

 

$

153.00

 

 

 

5.5

 

Granted

 

60,782

 

 

$

74.00

 

 

 

 

Exercised

 

(38,737

)

 

$

55.25

 

 

 

 

Cancelled

 

 

 

$

 

 

 

 

At March 31, 2024

 

61,858

 

 

$

76.25

 

 

 

4.5

 

Granted

 

3,105

 

 

$

140.75

 

 

 

 

Exercised

 

(10,726

)

 

$

73.25

 

 

 

 

Cancelled

 

 

 

$

 

 

 

 

At March 31, 2025

 

54,237

 

 

$

80.25

 

 

 

3.6

 

Granted

 

535,000

 

 

$

10.25

 

 

 

4.7

 

Exercised

 

 

 

$

 

 

 

 

Cancelled

 

 

 

$

 

 

 

 

At March 31, 2026

 

589,237

 

 

$

16.75

 

 

 

4.5

 

Warrants exercisable as of March 31, 2026

 

589,237

 

 

$

16.75

 

 

 

4.5

 

The following summarizes activity related to the Company's outstanding warrants for the years ended March 31, 2026, 2025 and 2024:

 

Pre-Funded Warrants

 

At March 31, 2023

 

9,374

 

Granted

 

 

Exercised

 

(9,374

)

Cancelled

 

 

At March 31, 2024

 

 

Granted

 

 

Exercised

 

 

Cancelled

 

 

At March 31, 2025

 

 

Granted

 

500,000

 

Exercised

 

(282,280

)

Cancelled

 

 

At March 31, 2026

 

217,720

 

Warrants exercisable as of March 31, 2026

 

217,720

 

Disclosure of Fair Value of Warrants Issued Using Black Scholes Option Valuation Model The fair value of warrants issued during the years ended March 31, 2026 and 2025 was estimated using the Black-Scholes option valuation model with the following assumptions:

 

As of March 31, 2026

 

As of March 31, 2025

 

Expected volatility

133.87%

 

198.71%

 

Expected term

2.5 years

 

3 years

 

Risk-free interest rate

3.50%

 

3.73%

 

Dividend yield

 

 

 

 

Forfeiture rate

0.00%

 

0.00%

 

Summary of Calculation of Fair Value of Awards using Black-Scholes Option-Pricing Model Affected by Stock Price on Date of Grant as well as Assumptions

The Company uses the Black-Scholes option-pricing model to estimate the fair value of its stock option awards. The calculation of the fair value of the awards using the Black-Scholes option-pricing model is affected by the Company’s stock price on the date of grant as well as assumptions regarding the following:

 

As of March 31, 2026

 

As of March 31, 2025

 

As of March 31, 2024

 

Expected volatility

185.33%

 

183.05%

 

212.26% - 260.62%

 

Expected term

6 years

 

5 years

 

5 years

 

Risk-free interest rate

3.90%

 

4.68%

 

3.66% - 4.61%

 

Dividend yield

 

 

 

 

 

 

Forfeiture rate

0.00%

 

0.00%

 

0.00%

 

Summary of Status of Outstanding Stock Options and Changes

A summary of the status of the Company’s outstanding stock options as of March 31, 2026, 2025 and 2024 and changes during the periods ending on that date is as follows:

 

Shares

 

 

Exercise Price

 

 

Grant Date Fair Value

 

 

Weighted Average Remaining Term (Years)

 

Options

 

 

 

 

 

 

 

 

 

 

 

At March 31, 2023

 

4,848

 

 

$

508.25

 

 

$

840.50

 

 

 

9.3

 

Granted

 

7,960

 

 

$

143.25

 

 

$

144.00

 

 

 

10.0

 

Exercised

 

 

 

$

 

 

$

 

 

 

 

Expired

 

(7

)

 

$

2,887.50

 

 

$

2,852.50

 

 

 

 

Forfeiture

 

(3,114

)

 

$

164.75

 

 

$

503.25

 

 

 

 

At March 31, 2024

 

9,687

 

 

$

508.25

 

 

$

840.50

 

 

 

8.8

 

Granted

 

8,521

 

 

$

17.00

 

 

$

16.75

 

 

 

10.0

 

Exercised

 

 

 

$

 

 

$

 

 

 

 

Expired

 

(337

)

 

$

153.50

 

 

$

465.50

 

 

 

 

Forfeiture

 

(1,177

)

 

$

150.50

 

 

$

440.00

 

 

 

 

At March 31, 2025

 

16,694

 

 

$

178.75

 

 

$

184.00

 

 

 

8.5

 

Granted

 

8,580

 

 

$

22.00

 

 

$

21.50

 

 

 

 

Exercised

 

 

 

$

 

 

$

 

 

 

 

Expired

 

(3,087

)

 

$

115.75

 

 

$

317.50

 

 

 

 

Forfeiture

 

(4,697

)

 

$

33.75

 

 

$

33.25

 

 

 

 

At March 31, 2026

 

17,490

 

 

$

152.00

 

 

$

121.25

 

 

 

8.0

 

Exercisable at March 31, 2025

 

6,430

 

 

$

362.50

 

 

$

279.25

 

 

 

7.2