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Note 18 – Share Based Awards (Tables)
9 Months Ended
Jan. 31, 2024
Share-Based Payment Arrangement [Abstract]  
[custom:ScheduleOfAssumptionsUsed1TableTextBlock]
      2024       2023  
Exercise Price   $ 0.95 1.12     $ 1.06 2.38  
Stock price on date of grant     0.95 1.12       1.06 2.38  
Risk-free interest rate     3.47 4.34%       3.34 – 7.52%  
Dividend yield                  
Expected term (years)     6.00 8.25       8.25  
Volatility     242.38 260.22%       253.52513.58%%  
Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]
  Shares   Weighted-Average Exercise Price   Weighted-Average Remaining Contractual Term   Aggregate Intrinsic Value
Outstanding as of April 30, 2022     3,694,142     $ 2.17       8.56        1,407,545   
Granted     1,503,500       1.40                  
Exercised                                  
Forfeited or expired     (412,833     2.67                  
Outstanding as of April 30, 2023     4,784,809     1.88       8.72        74,586   
Granted     2,541,042       1.06                  
Exercised     (3,000     0.89                  
Forfeited or expired     (643,751     2.43                  
Outstanding as of January 31, 2024     6,679,100     1.53       7.86         
Exercisable as of January 31, 2024     3,575,496     $ 1.86       6.31     $     
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
  Shares  Weighted Average Grant-Date Fair Value Per Share
Unvested and outstanding as of April 30, 2022   1,083,675   $2.59 
Granted   780,884    2.14 
Vested   (1,062,372)   2.42 
Forfeited   (21,127)   2.13 
Unvested and outstanding as of April 30, 2023   781,060    2.44 
Granted   298,643    1.06 
Vested   (355,661)   1.94 
Forfeited   (70,656)   1.25 
Unvested and outstanding as of January 31, 2024   653,386   $2.14 
Schedule of Deferred Compensation Arrangement with Individual, Share-Based Payments [Table Text Block]
             
  

Three months ended

January 31,

 

Nine months ended

January 31,

   2024  2023  2024  2023
Operations  $114,425   $181,908   $544,046   $566,218 
Research and development   (106,314)   170,579    168,732    524,874 
Sales and marketing   120,180    120,733    494,392    390,076 
General and administrative   457,480    315,471    1,486,532    1,309,790 
Total  $585,771   $788,691   $2,693,702   $2,790,958