Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Property, Plant and Equipment
Land and land improvements	$ 8,828	$ 8,714
Buildings and building improvements	30,255	30,075
Machinery and equipment	46,806	43,627
Furniture and fixtures	1,399	1,343
Transportation equipment	30	30
Tools and molds	1,629	1,496
Leasehold improvements	71	8
Construction in progress	3,226	2,495
Property plant and equipment gross	92,244	87,788
Accumulated depreciation	(43,039)	(39,308)
Property plant and equipment net	$ 49,205	$ 48,480