XML 36 R23.htm IDEA: XBRL DOCUMENT v3.19.1
Subsequent events
12 Months Ended
Dec. 31, 2018
Subsequent Events [Abstract]  
Subsequent events
Subsequent events

Management has made an evaluation for subsequent events requiring recognition or disclosure in these consolidated financial statements through March 18, 2019, which is the date these consolidated financial statements were available to be issued. None were identified.