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v3.26.1

Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2025
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Restricted cash equivalents included in prepaid expenses and other current assets | $ 200 | $ 200 | $ 200 | $ 200 | $ 200
Restricted cash equivalents | 56 | 1,256 | 56 | 1,256 | 1,300
Accounts receivable, credit loss expense |  |  | 300 |  | 500
Revenue | 34,032 | 15,067 | 62,568 | 26,351 |
Government grant award amount | 18,100 |  | 18,100 |  |
Government assistance, nonoperating income | 700 |  | 1,500 |  |
Grants receivable | 500 |  | 500 |  |
Deferred grant | 2,738 |  | 2,738 |  | $ 2,738
UKRAINE |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Revenue | $ 10,400 | $ 8,200 | $ 20,500 | $ 12,800 |
Accounts receivable | Customer concentration risk | Two Customers |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Concentration risk percentage |  |  | 54.00% |  |
Accounts receivable | Customer concentration risk | One Customer |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Concentration risk percentage |  |  |  |  | 64.00%
Revenue benchmark | Customer concentration risk | Two Customers |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Concentration risk percentage | 25.00% | 52.00% |  |  |
Revenue benchmark | Customer concentration risk | Three Customers |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Concentration risk percentage |  |  | 39.00% | 59.00% |
Level 1 | Money Market Funds |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Cash equivalents | $ 26,400 |  | $ 26,400 |  | $ 27,000

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