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Statements of Operations-Additional Information (Detail Textuals) - USD ($)
$ in Thousands
 9 Months Ended
Mar. 31, 2019
Jun. 30, 2018
Statements Of Operations Additional Information [Line Items]    
Deferred revenue $ 5,650 $ 4,530
Current deferred revenue, included in accrued expense and other current liabilities $ 927 $ 508
Customer | Maximum    
Statements Of Operations Additional Information [Line Items]    
Payment term 120 days  
Average worldwide collection period for accounts receivable 70 days  
Customer | Minimum    
Statements Of Operations Additional Information [Line Items]    
Payment term 30 days  
Average worldwide collection period for accounts receivable 60 days