XML 53 R31.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Warranty (Tables)
 12 Months Ended
Sep. 30, 2019
Warranty  
Schedule of warranty cost and accrual information

 

 

 

 

 

 

 

 

 

    

2019

    

2018

Warranty accrual as of October 1,

 

$

854,952

 

$

1,013,461

Release of accrual, net

 

 

(168,589)

 

 

(5,926)

Warranty cost incurred for fiscal year     

 

 

(79,683)

 

 

(152,583)

Warranty accrual as of September 30,

 

$

606,680

 

$

854,952