XML 61 R24.htm IDEA: XBRL DOCUMENT v3.20.1
Risks and Liquidity (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
Jul. 02, 2018
Mar. 31, 2020
Mar. 31, 2020
Dec. 31, 2019
Risks And Liquidity [Line Items]        
Accumulated deficit   $ (76,248) $ (76,248) $ (58,663)
IPO        
Risks And Liquidity [Line Items]        
Shares issued   13,798,900 13,798,900  
Share price $ 18.00 $ 18.00 $ 18.00  
Net proceeds $ 227,500   $ 227,500