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Debt - Additional Information (Detail)
 1 Months Ended 3 Months Ended 6 Months Ended
Sep. 29, 2022
USD ($)
Jun. 30, 2023
USD ($)
Aug. 31, 2022
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
Jun. 30, 2025
USD ($)
Bond
Jun. 30, 2024
Jun. 25, 2025
USD ($)
Dec. 31, 2024
USD ($)
Oct. 14, 2022
Line Of Credit Facility [Line Items]                    
Swing loans       $ 4,687,000   $ 4,687,000     $ 0  
Life of underlying asset           15 years        
Revolving Credit Facility [Member]                    
Line Of Credit Facility [Line Items]                    
Agreement borrowing capacity               $ 125,000,000    
Maturity date           Jun. 25, 2030        
Long term debt       49,188,000   $ 49,188,000     56,000,000  
Line of credit, remaining borrowing capacity       $ 34,190,000   $ 34,190,000        
Effective interest rate during period       7.21% 8.22% 7.15% 8.22%      
Revolving Credit Facility [Member] | Minimum [Member]                    
Line Of Credit Facility [Line Items]                    
Fixed charge coverage ratio       1.05   1.05        
Revolving Credit Facility [Member] | SOFR [Member]                    
Line Of Credit Facility [Line Items]                    
Debt instrument description of interest rate           Secured Overnight Financing Rate (“SOFR”) plus an applicable margin ranging between 2.00% and 2.50%.        
Revolving Credit Facility [Member] | SOFR [Member] | Minimum [Member]                    
Line Of Credit Facility [Line Items]                    
Debt instrument basis spread           2.00%        
Revolving Credit Facility [Member] | SOFR [Member] | Maximum [Member]                    
Line Of Credit Facility [Line Items]                    
Debt instrument basis spread           2.50%        
Revolving Credit Facility [Member] | Senior Secured Asset-Based Revolving Credit Facility [Member]                    
Line Of Credit Facility [Line Items]                    
Agreement borrowing capacity               100,000,000    
Revolving Credit Facility [Member] | Letter of Credit [Member]                    
Line Of Credit Facility [Line Items]                    
Agreement borrowing capacity               40,000,000    
Revolving Credit Facility [Member] | European Credit Facility [Member]                    
Line Of Credit Facility [Line Items]                    
Agreement borrowing capacity               30,000,000    
Sale and Leaseback Financing Obligations [Member]                    
Line Of Credit Facility [Line Items]                    
Long term debt       $ 45,895,000   $ 45,895,000     45,451,000  
Lessee lease term                   20 years
Lessee, operating lease, option to extend           however, UES may extend the lease for the Properties for four successive periods of five years each. If fully extended, the Restated Lease would expire in August 2062        
Lessee, operating term period                   5 years
Extended lease expiration date                   2062-08
Lease repurchase percentage on lessor investment for properties                   115.00%
Effective interest rate during period       8.26% 8.24% 8.26% 8.24%      
Rental properties       $ 3,719,000   $ 3,719,000        
Sale and Leaseback Financing Obligations [Member] | Capital Additions [Member]                    
Line Of Credit Facility [Line Items]                    
Estimated cost on upgrading existing equipment     $ 2,500,000              
Proceeds from disbursement agreement   $ 2,500,000                
Annual rent adjustment to repay restated lease     $ 2,500,000              
Sale and Leaseback Financing Obligations [Member] | Maximum [Member]                    
Line Of Credit Facility [Line Items]                    
Incremental percentage on annual lease payment           2.04%        
Change in consumer price index ratio           1.25        
Equipment Financing Facility [Member]                    
Line Of Credit Facility [Line Items]                    
Agreement borrowing capacity $ 20,000,000                  
Long term debt       $ 15,730,000   $ 15,730,000     16,782,000  
Payments of principal and interest           $ 293,000        
Debt instrument, maturity date, description           2031        
Debt Instrument, Term 84 months                  
Equipment Financing Facility [Member] | Term Notes [Member]                    
Line Of Credit Facility [Line Items]                    
Effective interest rate during period       8.66% 8.65% 8.66% 8.58%      
Equipment Financing Facility [Member] | Term Notes [Member] | Minimum [Member]                    
Line Of Credit Facility [Line Items]                    
Percentage of converted fixed interest rate           8.40%        
Equipment Financing Facility [Member] | Term Notes [Member] | Maximum [Member]                    
Line Of Credit Facility [Line Items]                    
Percentage of converted fixed interest rate           9.22%        
Equipment Term Notes [Member]                    
Line Of Credit Facility [Line Items]                    
Agreement borrowing capacity       $ 13,500,000   $ 13,500,000   $ 13,500,000    
Frequency of payment and payment terms, description           On the date of closing, $13,500 was advanced as Equipment Term Notes to the Corporation with such proceeds used to paydown borrowings under the Revolving Credit Facility. The Equipment Term Notes are payable in equal monthly installments of principal and interest of $161 commencing August 1, 2025, continuing on the first day of each month through June 2030, followed by sixtieth payment of all unpaid principal, accrued and unpaid interest and all unpaid fees.        
Monthly installment           $ 161,000        
Principal payments term,Description           principal payments due under the Equipment Term Notes during the next 12 months        
Long term debt       13,500,000   $ 13,500,000        
Current borrowing capacity       $ 1,768,000   $ 1,768,000        
Interest rate       7.93%   7.93%        
Equipment Term Notes [Member] | SOFR [Member]                    
Line Of Credit Facility [Line Items]                    
Debt instrument description of interest rate           Borrowings under the Equipment Term Notes will bear interest at SOFR plus an applicable margin ranging between 3.00% and 3.50%.        
Equipment Term Notes [Member] | SOFR [Member] | Minimum [Member]                    
Line Of Credit Facility [Line Items]                    
Debt instrument basis spread           3.00%        
Equipment Term Notes [Member] | SOFR [Member] | Maximum [Member]                    
Line Of Credit Facility [Line Items]                    
Debt instrument basis spread           3.50%        
Industrial Revenue Bonds ("IRB") [Member]                    
Line Of Credit Facility [Line Items]                    
Long term debt       $ 9,191,000   $ 9,191,000     $ 9,191,000  
Number of industrial revenue bonds | Bond           2        
Industrial Revenue Bonds ("IRB") [Member] | Taxable Industrial Revenue Bond [Member]                    
Line Of Credit Facility [Line Items]                    
Long term debt       $ 7,116,000   $ 7,116,000        
Interest at a floating rate on IRB maturing in 2027/2029       4.41% 8.27% 4.42% 6.81%      
Industrial Revenue Bonds ("IRB") [Member] | Tax Exempt Industrial Revenue Bond Two [Member]                    
Line Of Credit Facility [Line Items]                    
Long term debt       $ 2,075,000   $ 2,075,000        
Interest at a floating rate on IRB maturing in 2027/2029       3.44% 6.91% 3.21% 5.31%