DEBT - Additional Information (Details)		3 Months Ended
	Feb. 28, 2019 USD ($) $ / shares	Oct. 31, 2022 USD ($)	Jul. 31, 2022 USD ($)	Mar. 16, 2022 USD ($)
Debt Instrument [Line Items]
Long-term debt		$ 11,490,000	$ 10,968,000
Debt instrument, interest rate, effective percentage		27.80%
Umpqua Revolver
Debt Instrument [Line Items]
Line of credit facility, maximum credit commitment		$ 12,500,000		$ 12,500,000
Line of credit facility, sublimit borrowing capacity		5,000,000		5,000,000
Revolving credit facility		600,000
MidCap Credit Facility
Debt Instrument [Line Items]
Line of credit facility, termination amount				$ 12,500,000
Credit facility, readily available borrowing capacity		11,900,000
SPHG Holdings
Debt Instrument [Line Items]
Conversion to common stock	$ 1,000
Initial conversion price (in usd per share) | $ / shares	$ 2.37
Conversion ratio (shares)	0.4212655
Convertible Notes Payable | SPHG Holdings
Debt Instrument [Line Items]
Debt instrument, stated interest rate	7.50%
Principal amount of note	$ 14,900,000	$ 14,940,000	14,940,000
Debt instrument amortization period		16 months
Long-term debt		$ 11,557,000	$ 11,047,000