Quarterly report pursuant to Section 13 or 15(d)

Segment Reporting and Geographic Information - Additional Information (Details)

v3.8.0.1
Segment Reporting and Geographic Information - Additional Information (Details)
3 Months Ended 9 Months Ended
Mar. 31, 2018
customer
Mar. 31, 2017
customer
Mar. 31, 2018
customer
segment
Mar. 31, 2017
customer
Jun. 30, 2017
customer
Segment Reporting Information          
Number of reportable segments | segment     1    
Number of customers with significant revenue 2 3 1 3  
Segment percent of total revenues 100.00% 100.00% 100.00% 100.00%  
Number of customers with significant accounts receivable balance 3   3   2
Customer One          
Segment Reporting Information          
Segment percent of total revenues 22.00% 22.00% 22.00% 27.00%  
Customer Two          
Segment Reporting Information          
Segment percent of total revenues 11.00% 13.00%   11.00%  
Customer Three          
Segment Reporting Information          
Segment percent of total revenues   12.00%   11.00%