Nature Of Business And Significant Accounting Policies (Components Of Accounts Receivable) (Details) - USD ($)	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	$ 18,650,803	$ 14,136,458
Less: allowance for doubtful accounts	(38,103)	(48,068)	$ (48,068)	$ (13,180)
Accounts receivable, net	18,612,700	14,088,390
Less: long-term trade receivables	(7,837,500)
Current accounts receivable, net	10,775,200	14,088,390
Trade Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	18,616,342	13,975,905
Other Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	$ 34,461	$ 160,553