DEFERRED COMPENSATION Deferred Comp and Bonus (Details) - USD ($)	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Deferred Compensation
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits
Annual Total Amount Deferred	$ 266,000	$ 418,000
Deferred Compensation Interest Expense	171,000	204,000
Deferred Compensation Payments to Participants	440,000	1,144,000
Deferred Compensation Recorded Liability	4,017,000	3,560,000
Executive Deferred Bonus
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits
Deferred Compensation Arrangement with Individual, Contributions by Employer	$ 1,352,000	$ 513,000
Deferred Compensation Arrangement with Individual, Requisite Service Period	3 years