Quarterly report pursuant to Section 13 or 15(d)

Leases - Schedule of Balance Sheet Information Related to Leases (Details)

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Leases - Schedule of Balance Sheet Information Related to Leases (Details) - USD ($)
Jan. 31, 2021
Apr. 30, 2020
May 01, 2019
Operating leases      
Operating lease obligations, current portion $ 2,102,209 $ 1,683,252  
Operating lease liabilities, long-term 9,968,293 $ 5,685,335  
Present value of operating lease obligations $ 12,070,502   $ 8,000,000