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Statements of Operations-Additional Information
3 Months Ended
Sep. 30, 2014
Supplemental Income Statement Elements [Abstract]  
Statements of Operations-Additional Information

   3.   Statements of Operations—Additional Information

 
Three Months
For the Periods Ended September 30
2014
2013
Depreciation and amortization
 
 
Depreciation of property, plant and equipment
$
4,228
 
$
3,852
 
Amortization of intangible assets
1,069
 
1,349
 
Amortization of other assets
56
 
 
$
5,353
 
$
5,201