Quarterly report pursuant to Section 13 or 15(d)

Share-based compensation (Details)

v3.21.1
Share-based compensation (Details)
$ in Thousands
1 Months Ended 3 Months Ended
Mar. 31, 2020
USD ($)
director
shares
Mar. 31, 2021
USD ($)
shares
Mar. 31, 2020
USD ($)
director
shares
Jan. 01, 2021
shares
Nov. 11, 2019
shares
Nov. 10, 2019
shares
Stock Awards [Abstract]            
Share-based compensation | $   $ 2,525 $ 2,485      
Number of non-employee directors | director 3   3      
Stock options            
Stock Awards [Abstract]            
Options granted (in shares)   5,579,000 100,000      
Restricted Stock            
Stock Awards [Abstract]            
Share-based compensation | $ $ 500          
Restricted Stock | Director            
Stock Awards [Abstract]            
Awards granted (in shares) 450,000          
Restricted Stock | Officer            
Stock Awards [Abstract]            
Awards granted (in shares) 5,956          
2019 Plan            
Stock Awards [Abstract]            
Awards available for issuance (in shares)           6,500,000
Amended 2019 Plan            
Stock Awards [Abstract]            
Awards available for issuance (in shares)       13,500,000 9,000,000  
Annual percentage increase in awards authorized   10.00%