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Long-term Debt, Net (Tables)
 12 Months Ended
Apr. 30, 2022
Debt Disclosure [Abstract]  
Schedule of Long-term Debt
April 30,
20222021
Credit Facility due March 14, 2023 (the "2022 Revolving Credit Facility")$— $— 
Credit Facility due November 4, 2023 (the "2018 Credit Facility"); interest payable monthly in arrears5,000,000 — 
12% Convertible Notes due March 14, 2027 (the "2022 Convertible Notes"); interest payable monthly in arrears
10,000,000 — 
Total long-term debt15,000,000 — 
Less: Unamortized deferred financing costs124,265 — 
Total long-term debt, net$14,875,735 $—