Annual report pursuant to Section 13 and 15(d)

Operating leases, Lease cost (Details)

v3.20.1
Operating leases, Lease cost (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Operating Lease Cost [Abstract]    
Operating lease costs $ 369 $ 189
Variable lease costs 31 42
Total operating lease costs $ 400 231
Weighted-average remaining operating lease term 2 years 7 months 6 days  
Short term lease costs $ 100  
Rent expense $ 500 $ 200
Weighted average discount rate 12.50%