Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
Income Taxes (Schedule Of Deferred Tax Amounts Classified In Balance Sheets) (Details) - USD ($)
Dec. 31, 2017
Sep. 30, 2017
Components Of Deferred Tax Assets And Liabilities [Line Items]    
Long term deferred tax assets $ 12,124,000 $ 8,827,000
Net deferred tax assets 12,124,000 8,827,000
U.S. [Member]    
Components Of Deferred Tax Assets And Liabilities [Line Items]    
Long term deferred tax assets 3,579,000 282,000
U.K. [Member]    
Components Of Deferred Tax Assets And Liabilities [Line Items]    
Long term deferred tax assets $ 8,545,000 $ 8,545,000