XML 53 R42.htm IDEA: XBRL DOCUMENT v3.19.2
7. Leases (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Leases [Abstract]    
Operating lease expense $ 143 $ 324
Short term lease expense 12 53
Variable lease expense 17 49
Sub lease income (51) (68)
Total lease cost $ 121 $ 358