Leases (Tables)

3 Months Ended

Jul. 31, 2020

Leases [Abstract]

Schedule of Operating Leased Assets and Liabilities [Table Text Block]

		July 31, 2020
Assets
Operating lease right-of-use assets	$	1,337,974
Liabilities
Operating lease liabilities - current	$	307,185
Operating lease liabilities - non-current		1,061,573
Total operating lease liabilities	$	1,368,758

Schedule of Supplemental Information for Operating Leases [Table Text Block]

Weighted average remaining lease term	4.0 years
Weighted average discount rate	9.8%
Operating cash flow from operating leases	($106,764	)

Schedule of Maturity of Lease Liabilities [Table Text Block]

2021	$	315,648
2022		407,943
2023		375,052
2024		386,973
2025		163,642
Thereafter		—
Less: imputed interest		(280,500	)
Operating lease liabilities	$	1,368,758