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Balance Sheets-Additional Information - (Detail Textuals) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Balance Sheets Additional Information [Abstract]      
Balance at beginning of period $ 1,235 $ 658 $ 1,041
Provision for bad debts 2,587 $ 226 (124)
Bad debt write-offs (recovery) (226)   6
Effect of changes in exchange rates (218) $ 351 (265)
Balance at end of period $ 3,378 $ 1,235 $ 658