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Note 19 – Share Based Awards (Tables)
12 Months Ended
Apr. 30, 2024
Share-Based Payment Arrangement [Abstract]  
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    2024    2025 
Exercise Price  $0.721.12   $0.892.38 
Stock price on date of grant   0.701.12    0.892.38 
Risk-free interest rate    3.464.41%   3.344.18% 
Dividend yield            
Expected term (years)   5.288.25    6.25 8.25 
Volatility   206.99262.07%   245.57260.06% 
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     2,903,542       1.02                  
Exercised     (3,000 )     0.89                  
Forfeited or expired     (905,417     2.27                  
Outstanding as of April 30, 2024     6,779,934     1.46       8.02     2,762,242  
Exercisable as of April 30, 2024     3,578,756     $ 1.78       6.77     $ 1,246,497  
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   (485,024)   1.92 
Forfeited   (419,549)   2.09 
Unvested and outstanding as of April 30, 2024   175,130   $2.09 
Schedule of Deferred Compensation Arrangement with Individual, Share-Based Payments [Table Text Block]
   2024  2023
Research and development  $395,105   $692,947 
Sales and marketing   562,110    566,153 
General and administrative   2,652,052    2,397,624 
Total  $3,609,267   $3,656,724 

 

Stock compensation expense pertaining to options totaled $2,619,501 and $1,617,982 for the year ended April 30, 2024 and 2023, respectively. Stock compensation expense pertaining to restricted stock totaled $989,766 and $2,038,742 for the year ended April 30, 2024 and 2023, respectively.