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Other Accrued Liabilities (Tables)
 9 Months Ended
Jun. 30, 2015
Other Liabilities Disclosure [Abstract]  
Other accrued liabilities
Other accrued liabilities consist of the following:

 
June 30, 2015
 
September 30, 2014
 
(dollars in thousands)
Unearned research and development grants
$
859

 
$
3,989

Other
4,606

 
1,357

 
$
5,465

 
$
5,346