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Income Taxes (Details Narrative) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
Sep. 30, 2017
Income Tax Disclosure [Abstract]          
Income tax (benefit) expense $ 1,499 $ 1,908 $ (6,728) $ 3,358  
Effective income tax rate percentage 24.20% 33.70% 54.60% 33.50%  
Deferred tax liabilities $ 9,700   $ 9,700    
Statutory corporate income tax rate description     On December 22, 2017, the Tax Cuts and Jobs Act (the “Act”) was enacted into law. The Act amends the Internal Revenue Code to reduce tax rates and modify policies, credits, and deductions for individuals and businesses. For businesses, the Act reduces the corporate federal tax rate from a maximum of 35% to a flat 21% rate. The corporate tax rate reduction was effective January 1, 2018.    
Statutory corporate income tax rate     21.00%    
Deferred taxes benefit     $ 9,659  
Liability for uncertain tax positions $ 865   $ 865   $ 865