Quarterly report pursuant to Section 13 or 15(d)

Operating leases, Lease Costs (Details)

v3.20.2
Operating leases, Lease Costs (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Operating Lease Costs [Abstract]        
Operating lease costs $ 111 $ 80 $ 221 $ 124
Variable lease costs 8 8 16 16
Total operating lease costs $ 119 88 $ 237 140
Weighted-average remaining operating lease term 2 years 1 month 6 days   2 years 1 month 6 days  
Incremental borrowing rate 12.50%   12.50%  
Short term lease costs   0   0
Rent expense $ 100 $ 100 $ 200 $ 100
Maximum [Member]        
Operating Lease Costs [Abstract]        
Short term lease costs $ 100   $ 100