Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Geographical regions (Details)

v3.19.2
Summary of Significant Accounting Policies - Geographical regions (Details)
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 30, 2019
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Concentration Risk, Percentage 80.00%        
North America [Member]          
Concentration Risk, Percentage   73.00% 82.00% 75.00% 80.00%
Asia-Pacific [Member]          
Concentration Risk, Percentage     15.00% [1] 17.00%
Europe [Member]          
Concentration Risk, Percentage   18.00%   18.00% [1]
[1] Region did not represent greater than 10% of total net revenue.