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Summary of Significant Accounting Policies (Details)
 3 Months Ended 6 Months Ended
Mar. 31, 2023
USD ($)
Mar. 31, 2022
USD ($)
Mar. 31, 2023
USD ($)
segment
Mar. 31, 2022
USD ($)
Sep. 30, 2022
USD ($)
Number of business segments          
Number of business segments in which the entity operates | segment     1    
Long-Lived Assets          
Impairment charges     $ 0    
Contract Balances          
Balance at beginning of the period (Contract Assets)     162,742    
Balance at beginning of the period (Contract Liabilities)     259,183    
Amount transferred to receivables from contract assets     0    
Contract asset additions     0    
Performance obligations satisfied during the period that were included in the contract liability balance at the beginning of the period (Contract Liabilities)     (232,138)    
Increases due to invoicing prior to satisfaction of performance obligations (Contract Liabilities)     164,686    
Balance at end of the period (Contract Assets) $ 162,742   162,742    
Balance at end of the period (Contract Liabilities) 191,731   191,731    
Customer Service Revenue          
Customer Service Cost of Sales 2,600,303 $ 2,663,210 5,392,755 $ 5,391,267  
Gross profit 4,740,151 4,182,610 $ 8,463,954 8,150,331  
Engineering Development          
Percentage of employees who were engineers engaged in various engineering development projects     22.00%    
Warranty          
Standard warranty period     24 months    
Self-Insurance Reserves          
Estimated liability for medical claims incurred but not reported 45,632   $ 45,632   $ 51,590
Excess of funded premiums over estimated claims incurred but not reported 464,373   464,373   $ 424,155
Customer Service          
Customer Service Revenue          
Customer Service Sales 1,395,303 1,360,155 2,456,452 2,445,600  
Customer Service Cost of Sales 397,553 399,086 716,655 742,736  
Gross profit $ 997,750 $ 961,069 $ 1,739,797 $ 1,702,864  
Property Plant and Equipment Other than Air Transportation Equipment and Manufacturing Facility | Minimum          
Number of business segments          
Estimated useful lives     3 years    
Property Plant and Equipment Other than Air Transportation Equipment and Manufacturing Facility | Maximum          
Number of business segments          
Estimated useful lives     7 years    
Manufacturing facility          
Number of business segments          
Estimated useful lives     39 years    
Corporate airplane          
Number of business segments          
Estimated useful lives     10 years