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Accounts Receivable and Concentration of Credit Risk (Tables)
 12 Months Ended
Sep. 30, 2018
Accounts Receivable and Concentration of Credit Risk [Abstract]  
Components Of Accounts Receivable



 

 

 

 

 

 



 

2018

 

2017



 

 

 

 

 

 

Trade receivables

 

$

 4,008,833 

 

$

 11,294,341 

Less: allowance for doubtful accounts

 

 

 (36,201)

 

 

 (38,103)

Trade receivables, net

 

 

 3,972,632 

 

 

 11,256,238 

Less: long-term trade receivables

 

 

 —

 

 

 (7,837,500)

Current trade receivables, net

 

$

 3,972,632 

 

$

 3,418,738 



Summary Of Components Of Allowance For Doubtful Accounts



 

 

 

 

 



 

2018

 

 

2017

Beginning balance

$

 38,103 

 

$

 38,103 

Charges to expense

 

 16,058 

 

 

 —

Charge-offs

 

 (17,960)

 

 

 —

Ending balance

$

 36,201 

 

$

 38,103