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Consolidated Balance Sheets (Parenthetical)
$ in Thousands
Dec. 31, 2019
USD ($)
shares
Dec. 31, 2019
₪ / shares
Dec. 31, 2018
USD ($)
shares
Dec. 31, 2018
₪ / shares
Statement of Financial Position [Abstract]        
Trade receivables, allowance for doubtful accounts | $ $ 32   $ 31  
Ordinary shares, par value per share | ₪ / shares   ₪ 80.00   ₪ 80.00
Ordinary shares, shares authorized 6,000,000   6,000,000  
Ordinary shares, shares issued 4,257,790   3,553,714  
Ordinary shares, shares outstanding 4,257,790   3,553,714