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Annual report pursuant to Section 13 and 15(d)

Leases - Narrative (Details)

v3.20.2
Leases - Narrative (Details)
12 Months Ended
Apr. 30, 2020
USD ($)
Leases [Abstract] Ìý
Lease expense $ 2,516,213
Leases not yet commenced, liability $ 4,300,000