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DEBT FACILITIES - Heron Lake BioEnergy (Details) - USD ($)
3 Months Ended 6 Months Ended 11 Months Ended
Jan. 01, 2021
Apr. 18, 2020
Jan. 31, 2020
Apr. 30, 2020
Dec. 31, 2020
Line of Credit Facility          
Loan received       $ 1,299,593  
Heron Lake BioEnergy, LLC | Amended revolving term note payable to lending institution          
Line of Credit Facility          
Working capital covenants $ 10,000,000   $ 10,000,000   $ 8,000,000
Heron Lake BioEnergy, LLC | Amended revolving term note payable to lending institution | 2020 Credit Facility          
Line of Credit Facility          
Credit facility maximum       $ 8,000,000  
Interest rate (as a percent)       3.43%  
Line of credit unused commitment fee (as a percent)       0.50%  
Heron Lake BioEnergy, LLC | Amended revolving term note payable to lending institution | 2020 Credit Facility | One Month LIBOR          
Line of Credit Facility          
Spread above variable interest rate       3.10%  
Heron Lake BioEnergy, LLC | CoBank | 2020 Credit Facility          
Line of Credit Facility          
Annual fee       $ 2,500  
Heron Lake BioEnergy, LLC | SBA Paycheck Protection Loan          
Line of Credit Facility          
Loan received   $ 595,693      
Interest rate, stated percentage   1.00%      
Repayment term   2 years