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SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION (Other Assets) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Other assets:    
Institutions $ 604 $ 574
State of Israel (see note 6a) 26 190
Restricted deposit 820 561
Prepaid expenses 314 453
Sundry 68 99
Other assets $ 1,832 $ 1,877