Condensed Consolidated Statements of Comprehensive Loss - Unaudited - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Statement of Comprehensive Income [Abstract]        
Net loss $ (3,182) $ (2,487) $ (7,707) $ (4,731)
Other comprehensive loss:        
Changes in foreign currency translation adjustment (12) 122 (170) (15)
Comprehensive loss $ (3,194) $ (2,365) $ (7,877) $ (4,746)