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Inventories (Tables)
12 Months Ended
Sep. 30, 2015
Inventory Disclosure [Abstract]  
Components of inventories
Inventories at September 30 consist of:
 
2015
 
2014
Raw materials and supplies
$
7,212

 
$
5,957

Work-in-process
11,088

 
6,232

Finished goods
9,643

 
6,730

Total inventories
$
27,943

 
$
18,919