Annual report pursuant to Section 13 and 15(d)

Accounts Receivable and Concentration of Credit Risk (Components Of Accounts Receivable) (Details)

v3.10.0.1
Accounts Receivable and Concentration of Credit Risk (Components Of Accounts Receivable) (Details) - USD ($)
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2016
Accounts Receivable and Concentration of Credit Risk [Abstract]      
Trade receivables $ 4,008,833 $ 11,294,341  
Less: allowance for doubtful accounts (36,201) (38,103) $ (38,103)
Accounts receivable, net 3,972,632 11,256,238  
Less: long-term trade receivables   (7,837,500)  
Current accounts receivable, net $ 3,972,632 $ 3,418,738