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v3.26.1

Capital Structure - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Feb. 28, 2025 | Mar. 31, 2026 | Mar. 31, 2025 | Dec. 31, 2025 | Feb. 06, 2026
Class of Stock [Line Items] |  |  |  |  |
Original issue price |  | $ 0.0001 |  | $ 0.0001 |
Shares issued |  | 0 |  | 222,658,133 |
Common stock warrants at fair values |  |  |  | $ 6,300 |
Fair value exceeded carrying value |  |  | $ 6,400 |  |
Carrying value exceeded fair value |  |  | 8,700 |  |
Extinguishments reduction to net loss available to common shareholders |  |  | 2,300 |  |
Warrants to purchase exercise price per share | $ 43.59 |  |  |  |
Modified adjusted Preferred stock increase in fair value |  |  |  | 11,700 |
Increase in net loss available to common stockholders from equity modifications |  |  | 11,700 |  |
Gross cash proceeds form sale of common stock |  | $ 277 | $ 21 |  |
Dividends declared |  | $ 0 |  |  |
Common stock voting right |  | one |  |  |
Common Stock | IPO |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Redeemable convertible preferred stock, number of shares of common stock issued upon conversion |  |  |  |  | 29,855,741
Warrant |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Additional Paid in Capital |  |  |  | $ 6,300 |
Maximum |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Warrants to purchase | 739,559 |  |  |  |
Series A |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Original issue price |  |  |  | $ 1 |
Shares issued |  |  |  | 48,000,000 |
Series A-1 |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Original issue price |  |  |  | $ 2 |
Shares issued |  |  |  | 51,268,891 |
Series B |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Original issue price |  |  |  | $ 17.69 |
Shares issued |  |  |  | 17,456,768 |
Shares returned by the holders in exchange of redeemable convertible preferred stock | 11,814,375 |  |  |  |
New issuance convertible preferred stock |  |  |  | $ 16,700 |
Derecognition of redeemable convertible preferred stock |  |  |  | 172,800 |
Decrease in carrying amount of redeemable preferred stock |  |  |  | $ 64,100 |
Series B-1 |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Original issue price |  |  |  | $ 5.84 |
Shares issued | 35,756,908 |  |  | 35,756,908 |
New issuance convertible preferred stock |  |  |  | $ 149,600 |
Increase in carrying amount of redeemable Convertible preferred stock |  |  |  | $ 74,600 |
Series C |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Original issue price |  |  |  | $ 21.5 |
Shares issued |  |  |  | 5,194,787 |
Shares returned by the holders in exchange of redeemable convertible preferred stock | 1,352,470 |  |  |  |
New issuance convertible preferred stock |  |  |  | $ 4,800 |
Derecognition of redeemable convertible preferred stock |  |  |  | 30,000 |
Decrease in carrying amount of redeemable preferred stock |  |  |  | $ 6,500 |
Series C-1 |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Original issue price |  |  |  | $ 5.84 |
Shares issued | 4,975,110 |  |  | 4,975,110 |
New issuance convertible preferred stock |  |  |  | $ 23,100 |
Increase in carrying amount of redeemable Convertible preferred stock |  |  |  | $ 7,700 |
Series D |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Original issue price | $ 5.84 |  |  | $ 5.84 |
Shares issued | 60,005,669 |  |  | 60,005,669 |
Gross proceeds convertible preferred stock | $ 350,700 |  |  |  |

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