SHARE-BASED PAYMENTS - Summary of Option Activity (Detail) shares in Thousands	12 Months Ended
	Jul. 31, 2020 $ / shares shares
Number of Shares
Stock options outstanding, July 31, 2018 (in shares) | shares	325
Granted (in shares) | shares	0
Exercised (in shares) | shares	0
Forfeited or expired (in shares) | shares	(130)
Stock options outstanding, July 31, 2019 (in shares) | shares	195
Stock options exercisable, July 31, 2019 (in shares) | shares	195
Weighted Average Exercise Price
Stock options outstanding, July 31, 2018 (in usd per shares) | $ / shares	$ 4.07
Granted (in usd per shares) | $ / shares	0.00
Exercised (in usd per shares) | $ / shares	0.00
Forfeited or expired (in usd per shares) | $ / shares	3.38
Stock options outstanding, July 31, 2019 (in usd per shares) | $ / shares	4.54
Stock options exercisable, July 31, 2019 (in usd per shares) | $ / shares	$ 4.54
Weighted Average Remaining Contractual Term (Years)
Stock options outstanding, July 31, 2019	5 months 12 days
Stock options exercisable, July 31, 2019	5 months 12 days