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Revenues (Details) - Schedule of contract liabilities - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Schedule of contract liabilities [Abstract]    
Balance at beginning of year $ 349 $ 179
Deferred revenue relating to new sales 2,069 200
Revenue recognition during the period (116) (30)
Balance at end of year $ 2,302 $ 349