The Company and Summary of Significant Accounting Policies - Deferred revenue (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| The Company and Summary of Significant Accounting Policies | ||
| Deferred revenue - short term | $ 1,711 | $ 889 |
| Revenue recognized in the year ended related to amounts included in deferred revenue at the beginning of the periods | $ 657 | $ 249 |