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SHAREHOLDERS' EQUITY (Schedule Of Equity-Based Compensation Expense) (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Total share-based compensation expense $ 637 $ 867
Cost of Revenue [Member]    
Total share-based compensation expense 71 60
Research And Development Expense [Member]    
Total share-based compensation expense 113 99
Sales And Marketing Expense [Member]    
Total share-based compensation expense 154 268
General And Administrative Expense [Member]    
Total share-based compensation expense $ 299 $ 440