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Consolidated Statement of Shareholders' Equity (Parentheticals) - $ / shares
12 Months Ended
Sep. 14, 2018
Jun. 15, 2018
Mar. 16, 2018
Jan. 16, 2018
Sep. 05, 2017
Jun. 15, 2017
Mar. 17, 2017
Feb. 08, 2017
Sep. 30, 2018
Sep. 30, 2017
Statement of Stockholders' Equity [Abstract]                    
Amount Paid Per Share (in Dollars per share) $ 0.15 $ 0.11 $ 0.11 $ 0.11 $ 0.11 $ 0.11 $ 0.11 $ 0.11 $ 0.48 $ 0.44