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Leases - Additional Information (Details)
$ in Thousands
 12 Months Ended 14 Months Ended
Aug. 25, 2021
USD ($)
MW
Oct. 31, 2022
USD ($)
Oct. 31, 2021
USD ($)
Oct. 31, 2020
USD ($)
Oct. 31, 2022
USD ($)
Lessee Lease Description [Line Items]          
Finance lease ROU assets   $ 100 $ 100   $ 100
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]   Property, plant and equipment, net Property, plant and equipment, net   Property, plant and equipment, net
Finance lease, liability   $ 57 $ 102   $ 57
Finance Lease Liability Statement Of Financial Position Extensible List   Debt Current, Other Liabilities Noncurrent Debt Current, Other Liabilities Noncurrent   Debt Current, Other Liabilities Noncurrent
Operating lease expense   $ 1,521 $ 1,545 $ 1,451  
Operating lease, weighted average remaining lease term   19 years     19 years
Operating lease, weighted average discount rate   8.20%     8.20%
Operating lease, payments   $ 1,438 1,226 $ 1,016  
Purchase price   $ 161,234 $ 141,587   $ 161,234
Remaining lease payments due         $ 4,500
Crestmark Sale-Leaseback Transaction          
Lessee Lease Description [Line Items]          
Sale of plant $ 5,300        
Purchase price $ 10,200        
Power purchase agreement term 20 years        
Capacity Of Plant | MW 1.4        
Initial term of lease 10 years        
Down payment and initial rental payment under lease $ 2,200        
Reserve for Debt Service and Future Module Replacement $ 2,500        
Minimum          
Lessee Lease Description [Line Items]          
Operating and finance lease, remaining lease term   1 year      
Maximum          
Lessee Lease Description [Line Items]          
Operating and finance lease, remaining lease term   26 years