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The cash outflow for cost incurred directly with the issuance of an equity security.

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Number of common shares issuable upon conversion of preferred stock.

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The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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Convertible Preferred Stock And Convertible Preference Shares - Additional Information (Details) $ / shares in Units, € in Millions, kr in Millions, $ in Millions			1 Months Ended					3 Months Ended
	May 04, 2026 USD ($) shares	Oct. 31, 2025 USD ($) shares	Feb. 28, 2023 USD ($) shares	Jul. 31, 2021 USD ($) shares	Jul. 31, 2021 DKK (kr) shares	Nov. 30, 2020 EUR (€) shares	Nov. 30, 2020 USD ($) shares	Mar. 31, 2026 USD ($) $ / shares shares	Dec. 31, 2025 shares
Convertible Preferred Stock And Convertible Preference Shares [Line Items]
Preferred stock issued and outstanding								1,204,405	1,204,405
Common Stock Issuable Upon Conversion								26,496,910	26,496,910
Preferred stock, convertible, conversion ratio								50
Proceeds from issuance initial public offering \| $								$ 100.0
Subsequent Event [Member]
Convertible Preferred Stock And Convertible Preference Shares [Line Items]
Proceeds from issuance initial public offering \| $	$ 317.2
Stock issued during period, shares, conversion of convertible securities	26,496,910
Subsequent Event [Member] \| Preferred Stock [Member]
Convertible Preferred Stock And Convertible Preference Shares [Line Items]
Preferred stock, shares outstanding	0
IPO [Member] \| Subsequent Event [Member]
Convertible Preferred Stock And Convertible Preference Shares [Line Items]
Sale of stock, number of shares issued in transaction	2,512,500
Proceeds from issuance initial public offering \| $	$ 346.7
Stock issued during period, shares, new issues	19,262,500
Series Seed Convertible Preference Shares [Member]
Convertible Preferred Stock And Convertible Preference Shares [Line Items]
Sale of stock, number of shares issued in transaction						23,343	23,343
Proceeds from Issuance of Convertible Preferred Stock						€ 2.5	$ 3.0
Preferred stock issued and outstanding								23,343	23,343
Common Stock Issuable Upon Conversion								513,546	513,546
Preferred stock, liquidation preference per share \| $ / shares								$ 133.92
Series A Convertible Preference Shares [Member]
Convertible Preferred Stock And Convertible Preference Shares [Line Items]
Proceeds from Issuance of Convertible Preferred Stock				$ 9.0	kr 57.2
Preferred stock, convertible, shares issuable				61,600	61,600
Preferred stock issued and outstanding				37,297	37,297			225,866	225,866
Amount of conversion of principal preferred stock \| kr					kr 37.3
Amount of conversion of interest preferred stock \| $				$ 5.9
Common Stock Issuable Upon Conversion				24,303	24,303			4,969,052	4,969,052
Payments of Stock Issuance Costs				$ 0.3	kr 1.8
Preferred stock, liquidation preference per share \| $ / shares								$ 236.39
Series A Convertible Preference Shares [Member] \| Preferred Stock [Member]
Convertible Preferred Stock And Convertible Preference Shares [Line Items]
Proceeds from Issuance of Convertible Preferred Stock				$ 36.0	kr 251.9
Common Stock Issuable Upon Conversion				164,266	164,266
Series A Convertible Preference Shares [Member] \| Series A Investment Agreement [Member]
Convertible Preferred Stock And Convertible Preference Shares [Line Items]
Sale of stock, number of shares issued in transaction				225,866	225,866
Proceeds from Issuance of Convertible Preferred Stock				$ 50.9	kr 346.4
Series B Convertible Preference Shares [Member]
Convertible Preferred Stock And Convertible Preference Shares [Line Items]
Sale of stock, number of shares issued in transaction			442,205
Proceeds from Issuance of Convertible Preferred Stock \| $			$ 135.2
Preferred stock issued and outstanding								442,205	442,205
Common Stock Issuable Upon Conversion								9,728,510	9,728,510
Payments of Stock Issuance Costs \| $			$ 0.3
Preferred stock, liquidation preference per share \| $ / shares								$ 305.85
Series C Convertible Preference Shares [Member]
Convertible Preferred Stock And Convertible Preference Shares [Line Items]
Sale of stock, number of shares issued in transaction		512,991
Proceeds from Issuance of Convertible Preferred Stock \| $		$ 156.9
Preferred stock issued and outstanding								512,991	512,991
Common Stock Issuable Upon Conversion								11,285,802	11,285,802
Payments of Stock Issuance Costs \| $		$ 0.5
Preferred stock, liquidation preference per share \| $ / shares								$ 305.85
Preferred stock, convertible, conversion ratio								60