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Debt - Schedule of Debt (Details) - USD ($)
$ in Thousands
Jan. 31, 2023
Oct. 31, 2022
Debt Instrument [Line Items]    
Finance lease obligations $ 46 $ 57
Finance Lease Liability Statement Of Financial Position Extensible List Other Liabilities Noncurrent Other Liabilities Noncurrent
Deferred finance costs $ (1,063) $ (1,152)
Total debt and finance obligations 81,135 82,375
Current portion of long-term debt and finance obligations (13,249) (13,198)
Long-term debt and finance obligations 67,886 69,177
Connecticut Green Bank Loan    
Debt Instrument [Line Items]    
Long-term Line of Credit 4,800 4,800
Connecticut Green Bank Loan (Bridgeport Fuel Cell Project)    
Debt Instrument [Line Items]    
Long-term Line of Credit 3,294 3,507
Liberty Bank Term Loan Agreement (Bridgeport Fuel Cell Project)    
Debt Instrument [Line Items]    
Long-term Line of Credit 4,861 5,382
Fifth Third Bank Term Loan Agreement (Bridgeport Fuel Cell Project)    
Debt Instrument [Line Items]    
Long-term Line of Credit 4,861 5,382
Finance obligation for sale-leaseback transactions    
Debt Instrument [Line Items]    
Long-term Line of Credit 56,777 56,625
State of Connecticut Loan    
Debt Instrument [Line Items]    
Long-term Line of Credit $ 7,559 $ 7,774