Note 11 - Lease Liabilities (Tables)

3 Months Ended

Oct. 31, 2020

Notes Tables

Lease, Cost [Table Text Block]

	Three Months Ended October 31,
	2020		2019
Operating leases	$	54,461	$	59,630
Short-term leases		22,642		373,513
Total Lease Expenses	$	77,103	$	433,143

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Fiscal 2021	$	115,830
Fiscal 2022		220,000
Fiscal 2023		20,000
Fiscal 2024		20,000
Fiscal 2025		20,000
Thereafter		300,000
Total lease payments		695,830
Less: imputed interest		(157,962	)
Present value of lease liabilities	$	537,868
Currrent portion of lease liabilities	$	94,440
Non-curent portion of lease liabilities	$	443,428