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Financial Instruments (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Financial Instruments (Textual)    
Balance of financial liabilities $ 78 $ 140
Excess of financial assets over financial liabilities $ 1,761  
Financial instruments, description The Company has excess of financial assets over financial liabilities in Euro and Yen in relation to US dollar of $ 1,487 and $415, respectively. An increase or decrease of 5% of the US dollar relative to the Euro or Yen would not have a significant effect on the Company.  
Financial liabilities $ 387