| 
 Accrued liabilities consist of the following at June 30, 2022 and September 30, 2021: 
  
      
       
         | 
         | 
         | 
         | 
         | 
         | 
         | 
         | 
         | 
        
       
        (in thousands)  | 
           | 
        June 30,  | 
           | 
           | 
        September 30,  | 
           | 
        
       
           | 
           | 
        2022  | 
           | 
           | 
        2021  | 
           | 
        
       
        Ad valorem taxes  | 
           | 
        $  | 
        1,358  | 
           | 
           | 
        $  | 
        2,018  | 
           | 
        
       
        Accrued interest  | 
           | 
           | 
        950  | 
           | 
           | 
           | 
        888  | 
           | 
        
       
        Accrued employee wages and benefits  | 
           | 
           | 
        1,666  | 
           | 
           | 
           | 
        2,105  | 
           | 
        
       
        Accrued dividends  | 
           | 
           | 
        3,792  | 
           | 
           | 
           | 
        3,763  | 
           | 
        
       
        Accrued harvest-related payable  | 
           | 
           | 
        517  | 
           | 
           | 
           | 
        —  | 
           | 
        
       
        Accrued insurance  | 
           | 
           | 
        225  | 
           | 
           | 
           | 
        618  | 
           | 
        
       
        Professional fees  | 
           | 
           | 
        425  | 
           | 
           | 
           | 
        348  | 
           | 
        
       
        Other accrued liabilities  | 
           | 
           | 
        132  | 
           | 
           | 
           | 
        132  | 
           | 
        
       
        Total accrued liabilities  | 
           | 
        $  | 
        9,065  | 
           | 
           | 
        $  | 
        9,872  | 
           | 
        
       
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