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Segment and Revenue by Geography and by Major Customer - Summary of Property and Equipment by Geography (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Geographic Areas Long Lived Assets [Line Items] |  |  |
Property, Plant and Equipment, Net | $ 2,741 | $ 2,353 | $ 2,585
Domestic (Israel) |  |  |
Geographic Areas Long Lived Assets [Line Items] |  |  |
Property, Plant and Equipment, Net | 2,259 | 1,543 | 1,939
Taiwan |  |  |
Geographic Areas Long Lived Assets [Line Items] |  |  |
Property, Plant and Equipment, Net | 199 | 344 | 349
China |  |  |
Geographic Areas Long Lived Assets [Line Items] |  |  |
Property, Plant and Equipment, Net | 210 | 312 |
USA |  |  |
Geographic Areas Long Lived Assets [Line Items] |  |  |
Property, Plant and Equipment, Net | $ 73 | 151 | 290
Other |  |  |
Geographic Areas Long Lived Assets [Line Items] |  |  |
Property, Plant and Equipment, Net |  | $ 3 | $ 7

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