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Stock-Based Compensation - Stock compensation expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Total stock compensation expense | $ 2,166 | $ 936 | $ 5,503 | $ 1,216
Cost Of Sale [Member] |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Total stock compensation expense | 647 | 248 | 1,292 | 491
Research and Development Expenses [Member] |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Total stock compensation expense | 129 | 58 | 287 | 118
Selling and Marketing Expenses [Member] |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Total stock compensation expense | 66 | 34 | 169 | 50
General and Administrative Expenses [Member] |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Total stock compensation expense | $ 1,324 | $ 596 | $ 3,755 | $ 557

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