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Property and Equipment, net
12 Months Ended
Jun. 30, 2014
Property and Equipment, net [Abstract]  
Property and Equipment, net
5.Property and Equipment, net

Property and equipment consist of the following:

 
 
June 30,
 
 
 
2014
  
2013
 
 
 
(Dollars in thousands)
 
 
 
  
 
Leasehold improvements
 
$
2,807
  
$
2,641
 
Machinery, equipment and customer support spares
  
18,085
   
17,763
 
 
  
20,892
   
20,404
 
Less: Accumulated depreciation
  
(17,811
)
  
(17,302
)
 
 
$
3,081
  
$
3,102
 
 
For the years ended June 30, 2014, 2013 and 2012, depreciation expense for property and equipment amounted to $1,941,000, $2,254,000, and $2,811,000, respectively.
 
We recorded an asset for leasehold improvements and a corresponding liability for the present value of the estimated asset retirement obligation associated with the lease restoration costs at some of our international locations.  The asset was depreciated over the expected life of the corresponding lease and has a net book value of $0 as of both June 30, 2014 and June 30, 2013, while the liability continues to accrete to the amount of the estimated retirement obligation.  Expense associated with accretion of the obligation is recorded to operating expenses.  The changes to the asset retirement obligation associated with lease restoration costs are as follows (in thousands):

Asset retirement obligation, June 30, 2013
 
$
428
 
Accretion of asset retirement obligation
  
1
 
Payment of restoration costs
  
(6
)
Impact of foreign exchange rates
  
(10
)
Asset retirement obligation, June 30, 2014
 
$
413