Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Leases (Details)

v3.19.1
Commitments and Contingencies - Leases (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Future minimum rental commitments under non-cancellable operating lease      
2019 $ 484    
2020 438    
2021 405    
2022 414    
2023 463    
Thereafter 1,572    
Total 3,776    
Rent expense $ 496 $ 509 $ 455