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Commitments and Contingencies - Future minimum lease commitments (Details)
$ in Thousands
Jun. 30, 2015
USD ($)
Capital leases  
2016 $ 15
2017 $ 6
2018  
2019  
2020  
Thereafter  
Total minimum lease payments $ 21
Amounts representing interest (3)
Present value of minimum lease payments 18
Non-cancellable operating leases  
2016 4,513
2017 4,194
2018 3,886
2019 2,888
2020 2,712
Thereafter 4,198
Total minimum lease payments $ 22,391