SHARE-BASED PAYMENTS - Summary of Activity of Nonvested Stock (Detail) - Restricted Stock shares in Thousands	12 Months Ended
	Jul. 31, 2022 $ / shares shares
Number of Shares
Nonvested stock outstanding, beginning balance (in shares) | shares	1,116
Granted (in shares) | shares	480
Vested (in shares) | shares	(466)
Forfeited (in shares) | shares	(650)
Nonvested stock outstanding, ending balance (in shares) | shares	480
Weighted-Average Grant Date Fair Value
Nonvested stock outstanding, beginning balance (in usd per shares) | $ / shares	$ 1.09
Granted (in usd per shares) | $ / shares	0.38
Vested (in usd per shares) | $ / shares	1.18
Forfeited (in usd per shares) | $ / shares	1.21
Nonvested stock outstanding, ending balance (in usd per shares) | $ / shares	$ 0.38