Leases (Schedule of Balance Sheet Information Related to Leases) (Details) - USD ($) |
Jul. 31, 2019 |
Apr. 30, 2019 |
Jul. 31, 2018 |
|---|---|---|---|
| Operating leases | Ìý | Ìý | Ìý |
| Operating lease liabilities current | $ 1,100,411 | $ 500,000 | |
| Operating lease liabilities, long-term | 7,095,695 | Ìý | |
| Total operating lease liabilities | $ 8,196,106 | Ìý | Ìý |
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- References No definition available.
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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