XML 62 R52.htm IDEA: XBRL DOCUMENT v3.19.2
Net Loss per Common Share Narrative (Details) - shares
shares in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Earnings Per Share [Abstract]        
Antidilutive securities excluded from computation of earnings per share 978 634 959 805