DEBT - Additional Information (Details)	Mar. 09, 2023 USD ($)	Feb. 28, 2019 USD ($) $ / shares	Oct. 31, 2023 USD ($)	Jul. 31, 2023 USD ($)	Mar. 16, 2022 USD ($)
Debt Instrument [Line Items]
Long-term debt			$ 12,327,000	$ 12,461,000
Umpqua Revolver
Debt Instrument [Line Items]
Line of credit facility, maximum credit commitment					$ 12,500,000
Line of credit facility, sublimit borrowing capacity					$ 5,000,000
Revolving credit facility			600,000
MidCap Credit Facility
Debt Instrument [Line Items]
Credit facility, readily available borrowing capacity			11,900,000
SPHG Holdings
Debt Instrument [Line Items]
Conversion to common stock		$ 1,000
Conversion ratio (shares)		0.4212655
Initial conversion price (in usd per share) | $ / shares		$ 22.16
Convertible note investment | SPHG Holdings
Debt Instrument [Line Items]
Debt instrument, stated interest rate		7.50%
Debt instrument, face amount		$ 14,900,000	12,900,000	12,900,000
Debt instrument, repaid, principal	$ 1,000,000
Debt instrument, periodic payment, principal	1,000,000
Long-term debt, cash amendment fee amount	100,000
Long-term debt, derecognized debt discount amount	$ 200,000
Long-term debt			$ 12,300,000	$ 12,500,000