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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2016
Sep. 30, 2015
Consolidated Balance Sheets [Abstract]    
Trade, allowance $ 738 $ 842
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 10,000,000 10,000,000
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 22,049,529 22,049,529
Common stock, shares outstanding 21,440,583 21,475,741
Treasury stock, shares 608,946 573,788