Condensed Consolidated Statements of Stockholders’ Equity (Deficit) - USD ($) |
Total |
Previously Reported |
Revision of Prior Period, Adjustment |
Common Stock |
Common Stock
Previously Reported
|
Additional Paid-in Capital |
Additional Paid-in Capital
Previously Reported
|
Accumulated Deficit |
Accumulated Deficit
Previously Reported
|
Accumulated Other Comprehensive (Loss) Income |
Accumulated Other Comprehensive (Loss) Income
Previously Reported
|
Series Seed
Convertible Redeemable Preferred Stock
|
Series Seed
Convertible Redeemable Preferred Stock
Previously Reported
|
Series Seed
Convertible Redeemable Preferred Stock
Revision of Prior Period, Adjustment
|
Series Seed II
Convertible Redeemable Preferred Stock
|
Series Seed II
Convertible Redeemable Preferred Stock
Previously Reported
|
Series Seed II
Convertible Redeemable Preferred Stock
Revision of Prior Period, Adjustment
|
Series A
Convertible Redeemable Preferred Stock
|
Series A
Convertible Redeemable Preferred Stock
Previously Reported
|
Series A
Convertible Redeemable Preferred Stock
Revision of Prior Period, Adjustment
|
Series B
Convertible Redeemable Preferred Stock
|
Series B
Convertible Redeemable Preferred Stock
Previously Reported
|
Series B
Convertible Redeemable Preferred Stock
Revision of Prior Period, Adjustment
|
Series B-1
Convertible Redeemable Preferred Stock
|
Series B-1
Convertible Redeemable Preferred Stock
Previously Reported
|
Series B-1
Convertible Redeemable Preferred Stock
Revision of Prior Period, Adjustment
|
Series C
Convertible Redeemable Preferred Stock
|
Series C
Convertible Redeemable Preferred Stock
Previously Reported
|
Series C
Convertible Redeemable Preferred Stock
Revision of Prior Period, Adjustment
|
Series C-1
Convertible Redeemable Preferred Stock
|
Series C-1
Convertible Redeemable Preferred Stock
Previously Reported
|
Series C-1
Convertible Redeemable Preferred Stock
Revision of Prior Period, Adjustment
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Convertible redeemable preferred stock outstanding, beginning balance (in shares) at Dec. 31, 2023 | 24,871,033 | 27,499,984 | 101,515,976 | 113,956,319 | 32,419,574 | 20,508,938 | 22,869,771 | |||||||||||||||||||||||||
| Convertible redeemable preferred stock beginning balance at Dec. 31, 2023 | $ 6,526,000 | $ 10,411,000 | $ 36,658,000 | $ 112,145,000 | $ 32,990,000 | $ 22,503,000 | $ 26,351,000 | |||||||||||||||||||||||||
| Increase (Decrease) in Temporary Equity [Roll Forward] | ||||||||||||||||||||||||||||||||
| Conversion of stock (in shares) | (16,230,759) | (17,946,404) | (66,249,009) | (74,367,538) | (21,156,913) | (13,384,069) | (14,924,741) | |||||||||||||||||||||||||
| Convertible redeemable preferred stock outstanding, ending balance (in shares) at Dec. 31, 2024 | 8,640,274 | 24,871,033 | 9,553,580 | 27,499,984 | 35,266,967 | 101,515,976 | 39,588,781 | 113,956,319 | 11,262,661 | 32,419,574 | 7,124,869 | 60,399,952 | 7,945,030 | 22,869,771 | ||||||||||||||||||
| Convertible redeemable preferred stock, ending balance at Dec. 31, 2024 | $ 6,526,000 | $ 6,526,000 | $ 10,411,000 | $ 10,411,000 | $ 36,658,000 | $ 36,658,000 | $ 112,145,000 | $ 112,145,000 | $ 32,990,000 | $ 32,990,000 | $ 22,503,000 | $ 71,733,000 | $ 26,351,000 | $ 26,351,000 | ||||||||||||||||||
| Beginning balance (in shares) at Dec. 31, 2023 | 45,512,715 | |||||||||||||||||||||||||||||||
| Beginning balance at Dec. 31, 2023 | $ (185,153,000) | $ 5,000 | $ 15,751,000 | $ (201,269,000) | $ 360,000 | |||||||||||||||||||||||||||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||||||||||||||||||||||||||
| Net loss | $ (55,742,000) | (53,764,000) | $ (1,978,000) | |||||||||||||||||||||||||||||
| Conversion of stock (in shares) | (29,701,456) | |||||||||||||||||||||||||||||||
| Conversion of stock | 0 | $ (3,000) | 3,000 | |||||||||||||||||||||||||||||
| Ending balance (in shares) at Dec. 31, 2024 | 15,811,259 | 50,227,011 | ||||||||||||||||||||||||||||||
| Ending balance at Dec. 31, 2024 | (185,153,000) | (210,657,000) | $ 2,000 | $ 5,000 | $ 15,754,000 | 21,928,000 | $ (201,269,000) | (233,496,000) | $ 360,000 | 906,000 | ||||||||||||||||||||||
| Increase (Decrease) in Temporary Equity [Roll Forward] | ||||||||||||||||||||||||||||||||
| Conversion of stock (in shares) | 39,891,014 | |||||||||||||||||||||||||||||||
| Convertible redeemable preferred stock issue, net | $ 49,222,000 | |||||||||||||||||||||||||||||||
| Convertible redeemable preferred stock outstanding, ending balance (in shares) at Jun. 30, 2025 | 8,640,274 | 9,553,580 | 35,266,967 | 39,588,781 | 11,262,661 | 47,015,883 | 7,945,030 | |||||||||||||||||||||||||
| Convertible redeemable preferred stock, ending balance at Jun. 30, 2025 | $ 6,526,000 | $ 10,411,000 | $ 36,658,000 | $ 112,145,000 | $ 32,990,000 | $ 71,725,000 | $ 26,351,000 | |||||||||||||||||||||||||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||||||||||||||||||||||||||
| Net loss | (15,005,000) | (15,005,000) | ||||||||||||||||||||||||||||||
| Stock-based compensation expense | 1,887,000 | 1,887,000 | ||||||||||||||||||||||||||||||
| Stock options exercised (in shares) | 1,327,699 | |||||||||||||||||||||||||||||||
| Stock options exercised | 784,000 | 784,000 | ||||||||||||||||||||||||||||||
| Other comprehensive income/loss | 394,000 | 394,000 | ||||||||||||||||||||||||||||||
| Ending balance (in shares) at Jun. 30, 2025 | 17,138,958 | |||||||||||||||||||||||||||||||
| Ending balance at Jun. 30, 2025 | (197,093,000) | $ 2,000 | 18,425,000 | (216,274,000) | 754,000 | |||||||||||||||||||||||||||
| Convertible redeemable preferred stock outstanding, beginning balance (in shares) at Dec. 31, 2024 | 8,640,274 | 24,871,033 | 9,553,580 | 27,499,984 | 35,266,967 | 101,515,976 | 39,588,781 | 113,956,319 | 11,262,661 | 32,419,574 | 7,124,869 | 60,399,952 | 7,945,030 | 22,869,771 | ||||||||||||||||||
| Convertible redeemable preferred stock beginning balance at Dec. 31, 2024 | $ 6,526,000 | $ 6,526,000 | $ 10,411,000 | $ 10,411,000 | $ 36,658,000 | $ 36,658,000 | $ 112,145,000 | $ 112,145,000 | $ 32,990,000 | $ 32,990,000 | $ 22,503,000 | $ 71,733,000 | $ 26,351,000 | $ 26,351,000 | ||||||||||||||||||
| Increase (Decrease) in Temporary Equity [Roll Forward] | ||||||||||||||||||||||||||||||||
| Conversion of stock (in shares) | (16,230,759) | (17,946,404) | (66,249,009) | (74,367,538) | (21,156,913) | (39,416,820) | (14,924,741) | |||||||||||||||||||||||||
| Convertible redeemable preferred stock outstanding, ending balance (in shares) at Dec. 31, 2025 | 8,640,274 | 9,553,580 | 35,266,967 | 39,588,781 | 11,262,661 | 20,983,132 | 7,945,030 | |||||||||||||||||||||||||
| Convertible redeemable preferred stock, ending balance at Dec. 31, 2025 | 296,814,000 | $ 6,526,000 | $ 10,411,000 | $ 36,658,000 | $ 112,145,000 | $ 32,990,000 | $ 71,733,000 | $ 26,351,000 | ||||||||||||||||||||||||
| Beginning balance (in shares) at Dec. 31, 2024 | 15,811,259 | 50,227,011 | ||||||||||||||||||||||||||||||
| Beginning balance at Dec. 31, 2024 | (185,153,000) | (210,657,000) | $ 2,000 | $ 5,000 | 15,754,000 | 21,928,000 | (201,269,000) | $ (233,496,000) | 360,000 | $ 906,000 | ||||||||||||||||||||||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||||||||||||||||||||||||||
| Net loss | (32,228,000) | (31,795,000) | (433,000) | |||||||||||||||||||||||||||||
| Conversion of stock (in shares) | (32,777,991) | |||||||||||||||||||||||||||||||
| Conversion of stock | 0 | $ (3,000) | $ 3,000 | |||||||||||||||||||||||||||||
| Ending balance (in shares) at Dec. 31, 2025 | 17,449,020 | |||||||||||||||||||||||||||||||
| Ending balance at Dec. 31, 2025 | (210,657,000) | (208,247,000) | (2,410,000) | $ 2,000 | 21,931,000 | (233,496,000) | 906,000 | |||||||||||||||||||||||||
| Convertible redeemable preferred stock outstanding, beginning balance (in shares) at Mar. 31, 2025 | 8,640,274 | 9,553,580 | 35,266,967 | 39,588,781 | 11,262,661 | 7,124,869 | 7,945,030 | |||||||||||||||||||||||||
| Convertible redeemable preferred stock beginning balance at Mar. 31, 2025 | $ 6,526,000 | $ 10,411,000 | $ 36,658,000 | $ 112,145,000 | $ 32,990,000 | $ 22,503,000 | $ 26,351,000 | |||||||||||||||||||||||||
| Increase (Decrease) in Temporary Equity [Roll Forward] | ||||||||||||||||||||||||||||||||
| Conversion of stock (in shares) | 39,891,014 | |||||||||||||||||||||||||||||||
| Convertible redeemable preferred stock issue, net | $ 49,222,000 | |||||||||||||||||||||||||||||||
| Convertible redeemable preferred stock outstanding, ending balance (in shares) at Jun. 30, 2025 | 8,640,274 | 9,553,580 | 35,266,967 | 39,588,781 | 11,262,661 | 47,015,883 | 7,945,030 | |||||||||||||||||||||||||
| Convertible redeemable preferred stock, ending balance at Jun. 30, 2025 | $ 6,526,000 | $ 10,411,000 | $ 36,658,000 | $ 112,145,000 | $ 32,990,000 | $ 71,725,000 | $ 26,351,000 | |||||||||||||||||||||||||
| Beginning balance (in shares) at Mar. 31, 2025 | 16,641,244 | |||||||||||||||||||||||||||||||
| Beginning balance at Mar. 31, 2025 | (189,067,000) | $ 2,000 | 17,243,000 | (207,088,000) | 776,000 | |||||||||||||||||||||||||||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||||||||||||||||||||||||||
| Net loss | (9,186,000) | (9,186,000) | ||||||||||||||||||||||||||||||
| Stock-based compensation expense | 769,000 | 769,000 | ||||||||||||||||||||||||||||||
| Stock options exercised (in shares) | 497,714 | |||||||||||||||||||||||||||||||
| Stock options exercised | 413,000 | 413,000 | ||||||||||||||||||||||||||||||
| Other comprehensive income/loss | (22,000) | (22,000) | ||||||||||||||||||||||||||||||
| Ending balance (in shares) at Jun. 30, 2025 | 17,138,958 | |||||||||||||||||||||||||||||||
| Ending balance at Jun. 30, 2025 | (197,093,000) | $ 2,000 | 18,425,000 | (216,274,000) | 754,000 | |||||||||||||||||||||||||||
| Convertible redeemable preferred stock outstanding, beginning balance (in shares) at Dec. 31, 2025 | 8,640,274 | 9,553,580 | 35,266,967 | 39,588,781 | 11,262,661 | 20,983,132 | 7,945,030 | |||||||||||||||||||||||||
| Convertible redeemable preferred stock beginning balance at Dec. 31, 2025 | 296,814,000 | $ 6,526,000 | $ 10,411,000 | $ 36,658,000 | $ 112,145,000 | $ 32,990,000 | $ 71,733,000 | $ 26,351,000 | ||||||||||||||||||||||||
| Convertible redeemable preferred stock outstanding, ending balance (in shares) at Mar. 31, 2026 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||||||||
| Convertible redeemable preferred stock, ending balance at Mar. 31, 2026 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | |||||||||||||||||||||||||
| Beginning balance (in shares) at Dec. 31, 2025 | 17,449,020 | |||||||||||||||||||||||||||||||
| Beginning balance at Dec. 31, 2025 | (210,657,000) | (208,247,000) | (2,410,000) | $ 2,000 | 21,931,000 | (233,496,000) | 906,000 | |||||||||||||||||||||||||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||||||||||||||||||||||||||
| Net loss | (29,719,000) | (30,263,000) | 544,000 | |||||||||||||||||||||||||||||
| Ending balance (in shares) at Mar. 31, 2026 | 216,471,927 | |||||||||||||||||||||||||||||||
| Ending balance at Mar. 31, 2026 | 583,389,000 | $ 22,000 | 846,657,000 | (263,215,000) | (75,000) | |||||||||||||||||||||||||||
| Convertible redeemable preferred stock outstanding, beginning balance (in shares) at Dec. 31, 2025 | 8,640,274 | 9,553,580 | 35,266,967 | 39,588,781 | 11,262,661 | 20,983,132 | 7,945,030 | |||||||||||||||||||||||||
| Convertible redeemable preferred stock beginning balance at Dec. 31, 2025 | 296,814,000 | $ 6,526,000 | $ 10,411,000 | $ 36,658,000 | $ 112,145,000 | $ 32,990,000 | $ 71,733,000 | $ 26,351,000 | ||||||||||||||||||||||||
| Increase (Decrease) in Temporary Equity [Roll Forward] | ||||||||||||||||||||||||||||||||
| Merger recapitalization (in shares) | (8,640,274) | (9,553,580) | (35,266,967) | (39,588,781) | (11,262,661) | (20,983,132) | (7,945,030) | |||||||||||||||||||||||||
| Merger recapitalization | $ (6,526,000) | $ (10,411,000) | $ (36,658,000) | $ (112,145,000) | $ (32,990,000) | $ (71,733,000) | $ (26,351,000) | |||||||||||||||||||||||||
| Convertible redeemable preferred stock outstanding, ending balance (in shares) at Jun. 30, 2026 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||||||||
| Convertible redeemable preferred stock, ending balance at Jun. 30, 2026 | 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | ||||||||||||||||||||||||
| Beginning balance (in shares) at Dec. 31, 2025 | 17,449,020 | |||||||||||||||||||||||||||||||
| Beginning balance at Dec. 31, 2025 | (210,657,000) | $ (208,247,000) | $ (2,410,000) | $ 2,000 | 21,931,000 | (233,496,000) | 906,000 | |||||||||||||||||||||||||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||||||||||||||||||||||||||
| Net loss | (54,414,000) | (54,414,000) | ||||||||||||||||||||||||||||||
| Stock-based compensation expense | $ 20,359,000 | 20,359,000 | ||||||||||||||||||||||||||||||
| Stock options exercised (in shares) | 9,322,163 | 9,322,163 | ||||||||||||||||||||||||||||||
| Stock options exercised | $ 4,727,000 | $ 1,000 | 4,726,000 | |||||||||||||||||||||||||||||
| Merger recapitalization (in shares) | 133,240,425 | |||||||||||||||||||||||||||||||
| Merger recapitalization | $ 296,814,000 | $ 13,000 | 296,801,000 | |||||||||||||||||||||||||||||
| Conversion of stock (in shares) | 1,825 | 1,825 | ||||||||||||||||||||||||||||||
| Conversion of stock | $ 3,000 | 3,000 | ||||||||||||||||||||||||||||||
| CCX shares recapitalized, net of equity issuance costs (in shares) | 64,666,939 | |||||||||||||||||||||||||||||||
| CCX shares recapitalized, net of equity issuance costs | 518,868,000 | $ 7,000 | 518,861,000 | |||||||||||||||||||||||||||||
| Other comprehensive income/loss | (1,317,000) | (1,317,000) | ||||||||||||||||||||||||||||||
| Settlement of restricted stock units (in shares) | 813 | |||||||||||||||||||||||||||||||
| Ending balance (in shares) at Jun. 30, 2026 | 224,681,185 | |||||||||||||||||||||||||||||||
| Ending balance at Jun. 30, 2026 | 574,383,000 | $ 23,000 | 862,681,000 | (287,910,000) | (411,000) | |||||||||||||||||||||||||||
| Convertible redeemable preferred stock outstanding, beginning balance (in shares) at Mar. 31, 2026 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||||||||
| Convertible redeemable preferred stock beginning balance at Mar. 31, 2026 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | |||||||||||||||||||||||||
| Convertible redeemable preferred stock outstanding, ending balance (in shares) at Jun. 30, 2026 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||||||||
| Convertible redeemable preferred stock, ending balance at Jun. 30, 2026 | 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | ||||||||||||||||||||||||
| Beginning balance (in shares) at Mar. 31, 2026 | 216,471,927 | |||||||||||||||||||||||||||||||
| Beginning balance at Mar. 31, 2026 | 583,389,000 | $ 22,000 | 846,657,000 | (263,215,000) | (75,000) | |||||||||||||||||||||||||||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||||||||||||||||||||||||||
| Net loss | (24,695,000) | (24,695,000) | ||||||||||||||||||||||||||||||
| Stock-based compensation expense | 12,066,000 | 12,066,000 | ||||||||||||||||||||||||||||||
| Stock options exercised (in shares) | 8,206,620 | |||||||||||||||||||||||||||||||
| Stock options exercised | 3,956,000 | $ 1,000 | 3,955,000 | |||||||||||||||||||||||||||||
| Conversion of stock (in shares) | 1,825 | |||||||||||||||||||||||||||||||
| Conversion of stock | 3,000 | 3,000 | ||||||||||||||||||||||||||||||
| Other comprehensive income/loss | (336,000) | (336,000) | ||||||||||||||||||||||||||||||
| Settlement of restricted stock units (in shares) | 813 | |||||||||||||||||||||||||||||||
| Ending balance (in shares) at Jun. 30, 2026 | 224,681,185 | |||||||||||||||||||||||||||||||
| Ending balance at Jun. 30, 2026 | $ 574,383,000 | $ 23,000 | $ 862,681,000 | $ (287,910,000) | $ (411,000) |