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Schedule of Non-vested Restricted Stock Activity (Details) - Non-vested Restricted Stock [Member] - $ / shares
9 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Shares, Issued and unvested, Beginning 10,000  
Weighted Average Price per Share, Issued and Unvested, Beginning $ 2.93  
Number of Shares, Granted 777,764 10,000
Weighted Average Price per Share, Granted $ 1.42  
Number of Shares, Vested (10,000)  
Weighted Average Price per Share, Vested $ 2.93  
Number of Shares, Cancelled/forfeited  
Weighted Average Price per Share, Cancelled/forfeited  
Number of Shares, Issued and Unvested, Ending 777,764  
Weighted Average Price per Share, Issued and Unvested, Ending $ 1.42