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Pro Forma Results of Operations (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2015
Mar. 31, 2015
Business Combinations [Abstract]    
Net sales $ 29,379 $ 55,125
Net loss $ (160) $ (848)
Net loss per share (basic) (in dollars per share) $ (0.03) $ (160.00)
Net loss per share (diluted) (in dollars per share) $ (0.03) $ (160.00)