Annual report pursuant to Section 13 and 15(d)

Description of Business and Basis of Presentation - (Details)

v3.21.2
Description of Business and Basis of Presentation - (Details)
3 Months Ended 12 Months Ended
Sep. 30, 2021
USD ($)
a
property
Jun. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Sep. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Mar. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Sep. 30, 2021
USD ($)
a
property
segment
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Nov. 17, 2021
USD ($)
Property, Plant and Equipment [Line Items]                        
Number of business segments | segment                 2      
Net loss attributable to subsidiary $ (35,000) $ 14,000 $ 23,000 $ (41,000) $ (42,000) $ (8,000) $ (5,000) $ 107,000 $ (39,000) $ 52,000 $ (383,000)  
Net income (loss) attributable to parent $ (972,000) $ 27,119,000 $ 4,867,000 $ 3,845,000 $ 17,204,000 $ 2,096,000 $ 3,571,000 $ 791,000 34,859,000 23,662,000 37,833,000  
Fine for violation                       $ 50,000,000
Citree                        
Property, Plant and Equipment [Line Items]                        
Net loss attributable to subsidiary                 79,479 107,051 781,783  
Net income (loss) attributable to parent                 $ 40,535 54,596 $ 398,709  
Proceeds from federal relief program                   $ 493,000    
Land                        
Property, Plant and Equipment [Line Items]                        
Area of land owned (in acres) | a 83,000               83,000      
Number of primary classifications | property 2               2      
Mineral Rights                        
Property, Plant and Equipment [Line Items]                        
Area of land owned (in acres) | a 90,000               90,000