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Warranty (Tables)
12 Months Ended
Sep. 30, 2023
Warranty  
Schedule of warranty cost and accrual information

2023

    

2022

Warranty accrual as of October 1,

$

607,001

$

589,260

Expense accrual for fiscal year

 

58,472

 

152,419

Warranty cost incurred for fiscal year

 

(102,828)

 

(134,678)

Warranty accrual as of September 30, 

$

562,645

$

607,001