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Acquisitions (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Net sales $ 21,006 $ 17,625
Net loss $ 51 (394)
Pro Forma [Member]    
Net sales   22,410
Cost of sales   16,233
Operating expenses   6,355
Net loss   $ (477)
Basic and dilutive income per common share   $ (0.05)