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Debt - Schedule of Debt (Details) - USD ($)
$ in Thousands
May 19, 2023
Apr. 30, 2023
Oct. 31, 2022
Debt Instrument [Line Items]      
Finance lease obligations   $ 35 $ 57
Finance Lease Liability Statement Of Financial Position Extensible List   Other Liabilities Noncurrent Other Liabilities Noncurrent
Deferred finance costs   $ (977) $ (1,152)
Total debt and finance obligations   79,918 82,375
Current portion of long-term debt and finance obligations   (13,289) (13,198)
Long-term debt and finance obligations   66,629 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   3,077 3,507
Liberty Bank Term Loan Agreement (Bridgeport Fuel Cell Project)      
Debt Instrument [Line Items]      
Long-term Line of Credit   4,340 5,382
Fifth Third Bank Term Loan Agreement (Bridgeport Fuel Cell Project)      
Debt Instrument [Line Items]      
Long-term Line of Credit   4,340 5,382
Finance obligation for sale-leaseback transactions      
Debt Instrument [Line Items]      
Long-term Line of Credit   56,961 56,625
State of Connecticut Loan      
Debt Instrument [Line Items]      
Long-term Line of Credit   $ 7,342 $ 7,774
Project Financing Facility | Subsequent Event [Member]      
Debt Instrument [Line Items]      
Repayments Of Debt $ 1,800