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Inventories (Tables)
12 Months Ended
Sep. 30, 2016
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
Inventories consist of the following:
 
September 30, 2016
 
September 30, 2015
 
(Amounts in thousands)
Raw materials
$
1,658

 
$
1,788

Work-in-process
1,209

 
387

Finished goods
3,281

 
3,574

Total
$
6,148

 
$
5,749