XML 83 R64.htm IDEA: XBRL DOCUMENT v3.20.1
Subsequent Events - Additional Information (Details) - USD ($)
12 Months Ended
Mar. 10, 2020
Dec. 31, 2019
Subsequent Event [Line Items]    
Cash consideration payment   $ 5,583,000
Elevation | Subsequent Event    
Subsequent Event [Line Items]    
Cash consideration payment $ 500,000