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Condensed Consolidated Statements Of Operations (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Cost Of Revenue [Member]        
Stock-based compensation expense $ 28 $ 21 $ 53 $ 37
Research And Development [Member]        
Stock-based compensation expense 1 2 1 4
Sales And Marketing [Member]        
Stock-based compensation expense 43 39 85 61
General And Administrative [Member]        
Stock-based compensation expense $ 370 $ 351 $ 572 $ 495