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DEBT - Additional Information (Details) - USD ($)
$ in Millions
6 Months Ended
Jan. 31, 2023
Jan. 31, 2024
Jul. 31, 2023
May 01, 2023
Mar. 16, 2022
Feb. 28, 2019
Umpqua Revolver            
Debt Instrument [Line Items]            
Line of credit facility, maximum credit commitment         $ 12.5  
Line of credit facility, sublimit borrowing capacity         $ 5.0  
Revolving credit facility   $ 0.6        
MidCap Credit Facility            
Debt Instrument [Line Items]            
Credit facility, readily available borrowing capacity   11.9        
Convertible note investment | SPHG Holdings            
Debt Instrument [Line Items]            
Debt instrument, stated interest rate       7.50%   7.50%
Debt instrument, face amount   $ 12.9 $ 12.9     $ 14.9
Debt instrument, repaid, principal $ 2.0