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Note 7 - Capital Stock and Reserves (Tables)
6 Months Ended
Sep. 30, 2024
Statement Line Items [Line Items]  
Disclosure of number and weighted average exercise prices of share options [text block]

Expiry Date

 

Exercise

Price

  

Balance

March 31,

2024

  

Granted

  

Exercised

  

Forfeited /

Expired

  

Balance

September 30,

2024

  

Exercisable

 
                             

March 8, 2025

 $15.50   4,000   -   -   -   4,000   4,000 

September 2, 2025

 $12.75   20,000   -   -   -   20,000   20,000 

September 6, 2025

 $13.75   8,000   -   -   -   8,000   8,000 

November 20, 2025

 $4.00   6,000   -   -   -   6,000   6,000 

December 2, 2025

 $9.00   62,000   -   -   (20,000)  42,000   42,000 

December 13, 2025

 $9.50   21,000   -   -   -   21,000   21,000 

March 26, 2026

 $3.30   20,000   -   -   -   20,000   20,000 

August 25, 2026

 $5.65   17,500   -   -   -   17,500   17,500 

September 6, 2026

 $6.60   40,000   -   -   (7,500)  32,500   32,500 

November 1, 2026

 $7.50   10,000   -   -   -   10,000   10,000 

December 4, 2026

 $5.47   20,000   -   -   -   20,000   20,000 

September 6, 2028

 $6.60   85,000   -   -   (25,000)  60,000   60,000 

February 15, 2029

 $3.98   20,000   -   -   -   20,000   20,000 

July 23, 2029

 $3.91   -   36,000   -   -   36,000   36,000 
                             

Total

      333,500   36,000   -   (52,500)  317,000   317,000 
                             

Weighted average exercise price

     $7.38  $3.81  $-  $7.51  $6.96  $6.96 
                             

Weighted average remaining life (years)

      2.61               2.51     

Expiry Date

 

Exercise

Price

  

Balance

March 31,

2023

  

Granted

  

Exercised

  

Forfeited /

Expired

  

Balance

March 31,

2024

  

Exercisable

 
                             

March 1, 2024

 $16.50   15,000   -   -   (15,000)  -   - 

November 14, 2024

 $3.65   -   36,000   (36,000)  -   -   - 

March 8, 2025

 $15.50   4,000   -   -   -   4,000   4,000 

September 2, 2025

 $12.75   20,000   -   -   -   20,000   20,000 

September 6, 2025

 $13.75   8,000   -   -   -   8,000   8,000 

November 20, 2025

 $4.00   6,000   -   -   -   6,000   6,000 

December 2, 2025

 $9.00   62,000   -   -   -   62,000   62,000 

December 13, 2025

 $9.50   31,000   -   -   (10,000)  21,000   21,000 

January 15, 2026

 $7.25   35,300   -   -   (35,300)  -   - 

March 26, 2026

 $3.30   -   20,000   -   -   20,000   20,000 

August 25, 2026

 $5.65   -   17,500   -   -   17,500   17,500 

September 6, 2026

 $6.60   -   40,000   -   -   40,000   40,000 

November 1, 2026

 $7.50   10,000   -   -   -   10,000   10,000 

December 4, 2026

 $5.47   -   20,000   -   -   20,000   20,000 

February 16, 2027

 $17.50   20,000   -   -   (20,000)  -   - 

September 6, 2028

 $6.60   -   85,000   -   -   85,000   85,000 

February 15, 2029

 $3.98   -   20,000   -   -   20,000   20,000 
  $-   -   -   -   -   -   - 
                             

Total

      211,300   238,500   (36,000)  (80,300)  333,500   333,500 
                             

Weighted average exercise price

     $10.81  $5.87  $4.70  $9.95  $7.38  $7.38 
                             

Weighted average remaining life (years)

      2.57               2.61     
Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block]
  

September 30,

2024

  

March 31,

2024

 
         

Fair value per option

 $3.12  $5.42 

Exercise price

 $3.91  $5.49 

Expected life (years)

  5.00   3.50 

Interest rate

  3.33%  4.17%

Annualized volatility (based on historical volatility)

  109%  108%

Dividend yield

  0.00%  0.00%
Disclosure of detailed information about warrant transactions [text block]

Expiry Date

 

Exercise

Price

  

Balance

March 31,

2024

  

Granted

  

Exercised

  

Forfeited /

Expired

  

Balance

September 30,

2024

 
                         

August 24, 2028

 

$

USD 6.25   800,000   -   -   -   800,000 

March 13, 2026

 $4.00   341,592   -   -   -   341,592 

April 29, 2026

 $4.00   -   247,471   -   -   247,471 
                         

Total

      1,141,592   247,471   -   -   1,389,063 
                         

Weighted average exercise price

     $5.58  $4.00  $-  $-  $5.30 
                         

Weighted average remaining life (years)

      3.67               3.46 

Expiry Date

 

Exercise

Price

  

Balance

March 31,

2023

  

Granted

  

Exercised

  

Forfeited /

Expired

  

Balance

March 31,

2024

 
                         

December 2, 2023

 $6.50   24,000   -   -   (24,000)  - 

August 24, 2028

 

$

USD 6.25   -   800,000   -   -   800,000 

March 13, 2026

 $4.00   -   341,592   -   -   341,592 
                         

Total

      24,000   1,141,592   -   (24,000)  1,141,592 
                         

Weighted average exercise price

     $6.50  $5.58  $-  $6.50  $5.58 
                         

Weighted average remaining life (years)

      0.67               3.67 

Expiry Date

 

Exercise

Price

  

Balance

March 31,

2024

  

Granted

  

Exercised

  

Cancelled /

Expired

  

Balance

September 30,

2024

 
                         

August 19, 2024

 $10.00   5,765   -   -   (5,765)  - 

August 21, 2028

 

$

USD 6.25   40,000   -   -   -   40,000 

March 13, 2026

 $3.40   3,274   -   -   -   3,274 

April 29, 2026

 $3.40   -   51   -   -   51 
                         

Total

      49,039   51   -   -   43,325 
                         

Weighted average exercise price

     $6.50  $3.40  $-  $-  $6.03 
                         

Weighted average remaining life (years)

      2.94               3.88 

Expiry Date

 

Exercise

Price

  

Balance

March 31,

2023

  

Granted

  

Exercised

  

Cancelled /

Expired

  

Balance

March 31,

2024

 
                         

August 19, 2024

 $10.00   5,765   -   -   -   5,765 

August 21, 2028

 

$

USD 6.25   -   40,000   -   -   40,000 

March 13, 2026

 $3.40   -   3,274   -   -   3,274 
                         

Total

      5,765   43,274   -   -   49,039 
                         
          $USD 6.25             

Weighted average exercise price

     $10.00  

$

CAD 3.40  $-  $-  $6.50 
                         

Weighted average remaining life (years)

                      2.94 
Disclosure of derivative financial instruments [text block]
  

As at

September 30,

2024

  

As at

March 31,

2024

  

As at

August 24,

2023

 
             

Number of warrants outstanding

  800,000   800,000   800,000 

Warrant price at valuation date

 

$

0.40 USD  

$

0.61 USD  

$

0.76 USD 

Exchange rate

  1.3514   1.35397   1.35460 

Fair value of warrants outstanding (derivative liability)

 $428,663  $656,946  $823,597 
Unit warrants expiring on both March 13, 2026 and April 29, 2026 [member]  
Statement Line Items [Line Items]  
Disclosure of indirect measurement of fair value of warrants granted during period [text block]
  

September 30,

2024

  

March 31,

2024

 
         

Fair value per warrant

 $1.94  $3.77 

Exercise price

 $4.00  $4.00 

Expected life (years)

  2.00   2.00 

Interest rate

  4.30%  3.50%

Annualized volatility (based on historical volatility)

  100%  111%

Dividend yield

  0.00%  0.00%
  

September 30,

2024

  

March 31,

2024

 
         

Fair value per agent warrants

 $1.96  $7.95 

Exercise price

 $4.00  $8.09 

Expected life (years)

  2.00   4.78 

Interest rate

  4.30%  4.09%

Annualized volatility (based on historical volatility)

  101%  113%

Dividend yield

  0.00%  0.00%