Quarterly report pursuant to Section 13 or 15(d)

Significant Balance Sheet Components - Schedule of Other Assets (Details)

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Significant Balance Sheet Components - Schedule of Other Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Significant Balance Sheet Components [Abstract]    
Deferred NRE $ 1,757 $ 2,345
Advances to third party manufacturers 2,000 2,000
Deposits 431 431
Other 89 93
Other Assets $ 4,277 $ 4,869