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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Jan. 01, 2021 | Dec. 31, 2020
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
Percentage of voting power | 50.00% |  |  |  |
Number of operating segments | 1 |  |  |  |
Contract liabilities |  |  |  | $ 889 |
Revenue included in contract liability | $ 1,052 | $ 1,575 | $ 889 |  |
Advertising and promotional expenses | 3,923 | 2,217 | 2,846 |  |
Contributions by employer to plan | 708 | 1,909 | 3,074 |  |
Inventory write-downs | 657 | 138 | 12 |  |
Allowance for doubtful accounts | 4,201 | 4,519 | 3,350 |  | $ 3,289
Asset impairment |  | 80 |  |  |
Minimum [Member] |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
VIEs’ non-cash operating expenses |  | 500 | 400 |  |
Maximum [Member] |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
VIEs’ non-cash operating expenses |  | $ 2,500 | $ 4,700 |  |

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