Note 10 - Long-term Debt (Tables)

6 Months Ended

Jan. 31, 2022

Credit Agreement [Member]

Notes Tables

Schedule of Long-term Debt Instruments [Table Text Block]

Balance, July 31, 2021	$	10,075,231
Amortization of discount and accrued fees		524,769
Payment of anniversary fees		(600,000	)
Principal repayment		(10,000,000	)
Balance, January 31, 2022	$	-