Annual report [Section 13 and 15(d), not S-K Item 405]

Organization and Significant Accounting Policies (Details)

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Organization and Significant Accounting Policies (Details)
gal in Millions, T in Millions
 12 Months Ended
Jan. 01, 2025
USD ($)
Sep. 12, 2022
USD ($)
Dec. 31, 2024
USD ($)
T
shares
gal
Dec. 31, 2023
USD ($)
shares
Dec. 31, 2022
USD ($)
shares
Organization and Significant Accounting Policies [Line Items]          
Production capacity (in US Gallons) | gal     350    
Essential ingredient product capacity (in US Tons) | T     1.4    
Percentage of average ethanol production     50.00%    
Accounts receivable balance     $ 44,750,000 $ 51,315,000  
Allowance for credit losses     23,000 85,000  
Bad debt (recovery) expense     (50,000) 427,000 $ (217,000)
Accounts receivable total amount     5,187,000 4,302,000  
Inventory net of valuation adjustments     2,050,000 2,201,000  
Inventory amount     49,914,000 52,611,000  
Accounts receivable, net of allowance for credit losses     58,217,000 58,729,000 68,655,000
Impairment of goodwill     6,000,000
Asset impairments     24,790,000 574,000  
Amortization of deferred financing costs     1,016,000 1,048,000 $ 177,000
Unamortized financing cost     $ 3,684,000 $ 4,700,000  
Conserve capital, percentage     50.00%    
Potentially dilutive shares (in Shares) | shares     981,000 981,000 964,000
Weighted-average antidilutive shares (in Shares) | shares       3,188,000  
Income from cash grant     $ 2,812,000 $ 22,652,000
Allocated market losses     $ 700,000,000    
Authorized value   $ 50,000,000      
Initial purchase authorization   10,000,000      
Purchase authorization   5,000,000      
Excess purchase authorization   5,000,000      
Purchase additional amount   $ 10,000,000      
Repurchased an aggregate shares (in Shares) | shares       1,685,000 351,000
Cash       $ 3,674,000 $ 1,325,000
Shares of nonvoting common stock (in Shares) | shares     76,565,072 75,703,100  
Inventories [Member]          
Organization and Significant Accounting Policies [Line Items]          
Inventory amount     $ 35,495,000 $ 41,041,000  
Equity Method Investment [Member]          
Organization and Significant Accounting Policies [Line Items]          
Ownership percentage     100.00%    
Minimum [Member]          
Organization and Significant Accounting Policies [Line Items]          
Estimated lives     10 years    
Maximum [Member]          
Organization and Significant Accounting Policies [Line Items]          
Estimated lives     12 years    
Suppliers [Member] | Supplier Concentration Risk [Member] | Collective Bargaining Agreement [Member]          
Organization and Significant Accounting Policies [Line Items]          
Concentration risk percentage     44.00%    
Subsequent Event [Member]          
Organization and Significant Accounting Policies [Line Items]          
Wholly-owned subsidiary $ 7,600,000        
Cash $ 7,600,000        
Other Customer [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member]          
Organization and Significant Accounting Policies [Line Items]          
Concentration risk percentage     9.00% 7.00%  
Nonvoting Common Stock [Member]          
Organization and Significant Accounting Policies [Line Items]          
Shares of nonvoting common stock (in Shares) | shares     896 896  
Shares of nonvoting common stock outstanding (in Shares) | shares     896    
Nonvoting Common Stock [Member] | Common Stock [Member]          
Organization and Significant Accounting Policies [Line Items]          
Shares of nonvoting common stock (in Shares) | shares     3,539,236