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Property, Plant and Equipment, Net (Details) - Schedule of property, plant and equipment, net - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Cost: |  |  |
Property and equipment, gross |  | $ 281 | $ 270
Accumulated depreciation: |  |  |
Accumulated depreciation |  | 234 | 220
Property and equipment, net | $ 46 | 47 | 50
Laboratory equipment [Member] |  |  |
Cost: |  |  |
Property and equipment, gross |  | 62 | 57
Accumulated depreciation: |  |  |
Accumulated depreciation |  | 35 | 28
Computers, office furniture and equipment [Member] |  |  |
Cost: |  |  |
Property and equipment, gross |  | 206 | 200
Accumulated depreciation: |  |  |
Accumulated depreciation |  | 190 | 184
Leasehold Improvements [Member] |  |  |
Cost: |  |  |
Property and equipment, gross |  | 13 | 13
Accumulated depreciation: |  |  |
Accumulated depreciation |  | $ 9 | $ 8

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