Note 11 - Long-term Debt (Tables)

12 Months Ended

Jul. 31, 2022

Credit Agreement [Member]

Notes Tables

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

	July 31, 2022			July 31, 2021
Balance, beginning of year	$	10,075		$	19,869
Amortization of discount and accrued fees		525			1,376
Payment of anniversary fees		(600	)		(1,170	)
Principal repayment		(10,000	)		(10,000	)
Balance, end of year	$	-		$	10,075