Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Schedule Of Deferred Tax Amounts Classified In Balance Sheets) (Details)

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Income Taxes (Schedule Of Deferred Tax Amounts Classified In Balance Sheets) (Details) - USD ($)
Mar. 31, 2018
Sep. 30, 2017
Components Of Deferred Tax Assets And Liabilities [Line Items]    
Long term deferred tax assets $ 13,480,558 $ 8,827,000
Net deferred tax assets 13,480,558 8,827,000
U.S. [Member]    
Components Of Deferred Tax Assets And Liabilities [Line Items]    
Long term deferred tax assets 4,829,377 282,000
U.K. [Member]    
Components Of Deferred Tax Assets And Liabilities [Line Items]    
Long term deferred tax assets $ 8,651,181 $ 8,545,000