| Significant Balance Sheet Components - Schedule of Other Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | 
|---|---|---|
| Significant Balance Sheet Components [Abstract] | ||
| Deferred NRE | $ 2,345 | $ 2,889 | 
| Advances to third party manufacturers | 2,000 | 547 | 
| Deposits | 431 | 339 | 
| Other | 93 | 123 | 
| Other assets | $ 4,869 | $ 3,898 | 
| X | ||||||||||
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- Definition Advances to third party manufacturers. No definition available. 
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| X | ||||||||||
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- Definition Deferred services. No definition available. 
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| X | ||||||||||
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- Definition Significant balance sheet components. No definition available. 
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| X | ||||||||||
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- Definition The carrying amount of the asset transferred to a third party to serve as a deposit, which typically serves as security against failure by the transferor to perform under terms of an agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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- Definition Amount of assets classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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- Definition Amount of other miscellaneous assets. No definition available. 
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