Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Details)

v3.19.2
Revenue Recognition (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Revenue Recognition and Deferred Revenue [Abstract]        
Percentage of revenue accounted products transferred to customers 100.00% 100.00% 100.00% 100.00%