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Investments in Equity and Marketable Securities - Narrative (Details) $ / shares in Units, $ / shares in Units, $ in Thousands, $ in Thousands	3 Months Ended		9 Months Ended			12 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) shares	Sep. 30, 2025 CAD ($) $ / shares shares	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Feb. 29, 2024 $ / shares
Debt Securities, Available-for-Sale [Line Items]
Fair value gain/(loss) on marketable securities	$ 62	$ 0	$ 7,733		$ 252
Proceeds from issuance of common stock			0		2,008
Unrealized (loss) gain on marketable securities	$ 8,158	$ (1,474)	$ 1,092		$ (3,691)	$ (2,711)
Private placement
Debt Securities, Available-for-Sale [Line Items]
Shares issued in sale of minority interest and collaboration agreement (in shares) | shares			170,000,000	170,000,000
Sale of stock, price (in dollars per share) | (per share)				$ 0.115			$ 3.90
Proceeds from issuance of common stock				$ 19,550,000

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Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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