XML 47 R47.htm IDEA: XBRL DOCUMENT v3.20.1
Other Comprehensive Income (Reconciliation of Accumulated Comprehensive Income (Loss)) (Details) - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Dec. 31, 2018
Mar. 31, 2020
Mar. 31, 2019
Increase (Decrease) in Other Accumulated Comprehensive Income (Loss) [Roll Forward]            
Balance at beginning of period $ 86,359,135 $ 83,096,392 $ 80,959,740 $ 79,583,112 $ 83,096,392 $ 79,583,112
Other comprehensive loss (1,199,783) 279,844 (46,034) (83,316) (919,939) (129,350)
Balance at end of period 90,317,347 86,359,135 84,974,517 80,959,740 90,317,347 84,974,517
Accumulated Other Comprehensive Income (Loss)            
Increase (Decrease) in Other Accumulated Comprehensive Income (Loss) [Roll Forward]            
Balance at beginning of period (2,209,073) (2,488,917) (954,984) (871,668) (2,488,917) (871,668)
Other comprehensive loss (1,199,783) 279,844 (46,034) (83,316)    
Balance at end of period $ (3,408,856) $ (2,209,073) $ (1,001,018) $ (954,984) $ (3,408,856) $ (1,001,018)