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Property, Plant and Equipment (Tables)
 12 Months Ended
Sep. 30, 2018
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
The following is a summary of property, plant and equipment (in thousands):
 
September 30, 2018
 
September 30, 2017
Land
$
4,956

 
$
4,990

Building and leasehold improvements
14,513

 
14,408

Equipment and machinery
10,434

 
8,934

Furniture and fixtures
4,957

 
5,243

 
34,860

 
33,575

Accumulated depreciation and amortization
(18,408
)
 
(17,783
)
 
$
16,452

 
$
15,792