Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Loan with Fifth Third Bank (Precision Marshall) - Additional Information (Details)

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Long-Term Debt - Loan with Fifth Third Bank (Precision Marshall) - Additional Information (Details)
1 Months Ended 9 Months Ended
Jul. 20, 2023
USD ($)
Apr. 12, 2023
USD ($)
Jan. 20, 2022
USD ($)
loan
Jun. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2023
USD ($)
Sep. 30, 2023
USD ($)
Debt Instrument [Line Items]              
Advance made on existing credit facility         $ 1,990,000 $ 3,133,000  
Kinetic Industries              
Debt Instrument [Line Items]              
Credit line maximum     $ 6,000,000.0        
Term Loan One | Kinetic Industries              
Debt Instrument [Line Items]              
Credit line maximum     4,000,000 $ 4,000,000.0 $ 4,000,000.0    
Maturity date         Jan. 20, 2027    
Term loans | Kinetic Industries              
Debt Instrument [Line Items]              
Credit line maximum     $ 1,000,000.0 1,000,000.0 $ 1,000,000.0    
Spread on variable rate (percent)     3.75%        
Maturity date         Jun. 28, 2025    
Fifth Third Bank              
Debt Instrument [Line Items]              
Spread on variable rate (percent)     2.25%        
Maturity date         Jan. 20, 2027    
Fifth Third Bank | Revolving Credit Facility              
Debt Instrument [Line Items]              
Credit line maximum $ 15,000,000            
Spread on variable rate (percent) 0.00%   2.00%        
Total outstanding       15,100,000 $ 15,100,000    
Credit balance outstanding       11,200,000 11,200,000   $ 11,000,000
Fifth Third Bank | Term Loan One and Term Loan Two | Kinetic Industries              
Debt Instrument [Line Items]              
Number of term loans | loan     2        
Fifth Third Bank | Term Loan One | Kinetic Industries              
Debt Instrument [Line Items]              
Credit balance outstanding       2,900,000 2,900,000   3,300,000
Fifth Third Bank | Encina Loans              
Debt Instrument [Line Items]              
Credit line maximum     $ 29,000,000        
Reduction in interest costs and availability of liquid funds     3,000,000.0        
Credit balance outstanding       2,000,000.0 2,000,000.0   2,300,000
Fifth Third Bank | Encina Loans | Machinery and equipment              
Debt Instrument [Line Items]              
Credit line maximum     3,500,000        
Fifth Third Bank | Encina Loans | Capital expenditure              
Debt Instrument [Line Items]              
Credit line maximum     2,500,000        
Fifth Third Bank | Encina Loans | Revolving Credit Facility              
Debt Instrument [Line Items]              
Credit line maximum     $ 23,000,000.0        
Credit balance outstanding       22,800,000 22,800,000   23,000,000.0
Fifth Third Bank | Capital Expenditure Loan | Revolving Credit Facility              
Debt Instrument [Line Items]              
Credit balance outstanding       1,700,000 $ 1,700,000   $ 1,400,000
Fifth Third Bank | Capital Expenditure Loan | Revolving Credit Facility | Precision Marshall              
Debt Instrument [Line Items]              
Advance made on existing credit facility   $ 1,400,000   $ 403,000