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Intangible Assets (Estimated Aggregate Amortization Expense) (Details) - USD ($)
Jul. 31, 2022
Apr. 30, 2022
Intangible Assets [Abstract]    
For the remaining 9 months of the fiscal year ending April 30, 2023 $ 705,423  
For the fiscal years ending April 30, 2024 933,898  
For the fiscal years ending April 30, 2025 926,758  
For the fiscal years ending April 30, 2026 919,751  
For the fiscal years ending April 30, 2027 912,956  
Thereafter 7,774,930  
Net Carrying Amount $ 12,173,716 $ 12,409,478