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Significant Accounting Policies (Details 5) - Allowance for doubtful accounts, current - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Allowance for doubtful accounts    
Balance, beginning of year $ 3,465 $ 1,615
Provision for bad debts (1,032) 1,922
Write-offs (797) (72)
Balance, end of year $ 1,636 $ 3,465