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v3.25.3

Subsequent Events (Details) - Subsequent event $ / shares in Units, ¥ in Millions, $ in Millions | Oct. 22, 2025 USD ($) patent | Oct. 15, 2025 USD ($) | Oct. 15, 2025 CNY (¥) | Oct. 14, 2025 USD ($) | Oct. 06, 2025 USD ($) purchaser $ / shares shares
--- | --- | --- | --- | --- | ---
Subsequent Event [Line Items] |  |  |  |  |
Number of patents sold (in patents) | patent | 37 |  |  |  |
Proceeds from sale of patents and related rights and materials | $ 3.0 |  |  |  |
Forecast |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Gain on sale of patents, related rights and materials | $ 3.0 |  |  |  |
PWSH | Disposed of by sale |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Equity value (as a percentage) |  | 100.00% | 100.00% |  |
Proceeds from sale of business |  | $ 133.0 | ¥ 950 |  |
Affirmative vote percentage (at least) |  | 67.00% | 67.00% |  |
PWSH | Disposed of by sale | Minimum |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Net proceeds from divestiture of business |  |  |  | $ 50.0 |
PWSH | Disposed of by sale | Maximum |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Net proceeds from divestiture of business |  |  |  | $ 60.0 |
Common Stock Purchase Agreement |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of purchasers (in purchasers) | purchaser |  |  |  |  | 2
Shares sold (in shares) | shares |  |  |  |  | 666,667
Share price (in dollars per share) | $ / shares |  |  |  |  | $ 10.50
Net proceeds from sale of stock |  |  |  |  | $ 6.5

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