XML 21 R41.htm IDEA: XBRL DOCUMENT v3.19.3
7. Leases (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Leases [Abstract]    
Operating lease expense $ 219 $ 543
Short term lease expense 18 71
Variable lease expense 31 80
Sub lease income (50) (118)
Total lease cost $ 218 $ 576