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Research and Development Expenses, Net - Schedule of Research and Development Expenses (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Share-based compensation $ 1,099 $ 1,399
Research and development expense 3,048 2,515
Research and Development Expense [Member]    
Payroll and related expenses 1,404 1,112
Share-based compensation 131 237
Materials 545 309
Patents 79 526
Office and maintenance expenses 61 53
Rent R&D 178 132
Professional services 585 426
Depreciation 76 25
Other 17 39
Less: Grants received from IIA & EC (28) (344)
Research and development expense $ 3,048 $ 2,515