Quarterly report pursuant to Section 13 or 15(d)

Segment Reporting and Geographic Information - Additional Information (Details)

v3.19.1
Segment Reporting and Geographic Information - Additional Information (Details)
3 Months Ended 9 Months Ended
Mar. 31, 2019
customer
Mar. 31, 2018
customer
Mar. 31, 2019
customer
segment
Mar. 31, 2018
customer
Jun. 30, 2018
customer
Segment Reporting Information          
Number of reportable segments | segment     1    
Number of customers with significant revenue 1 2 2 1  
Segment percent of total revenues 100.00% 100.00% 100.00% 100.00%  
Number of customers with significant accounts receivable balance 1   1   3
Customer One          
Segment Reporting Information          
Segment percent of total revenues 19.00% 22.00% 15.00% 22.00%  
Customer Two          
Segment Reporting Information          
Segment percent of total revenues   11.00% 11.00%