Fair Value Measurements - Significant inputs as of the valuation dates (Details) - Level 3	Mar. 31, 2026 $ / shares USD ($)	Jan. 27, 2026 USD ($) $ / shares	Jan. 21, 2026 $ / shares USD ($)	Dec. 31, 2025 $ / shares USD ($)
Stock Price | Series A
Fair Value Measurements
Warrants, measurement input	0.99			1.1
Stock Price | Series B
Fair Value Measurements
Warrants, measurement input	0.99			1.1
Stock Price | Pipe Warrants
Fair Value Measurements
Warrants, measurement input	0.99	1.2
Stock Price | Daewong Warrant
Fair Value Measurements
Warrants, measurement input	0.99		1.36
Exercise Price | Series A
Fair Value Measurements
Warrants, measurement input	8.06			8.06
Exercise Price | Series B
Fair Value Measurements
Warrants, measurement input				8.06
Exercise Price | Pipe Warrants
Fair Value Measurements
Warrants, measurement input	1.09	1.09
Exercise Price | Daewong Warrant
Fair Value Measurements
Warrants, measurement input	1.09		1.09
Expected volatility | Series A
Fair Value Measurements
Warrants, measurement input	1.641			1.60
Expected volatility | Series B
Fair Value Measurements
Warrants, measurement input	1.983			2
Expected volatility | Pipe Warrants
Fair Value Measurements
Warrants, measurement input	1.641	1.60
Expected volatility | Daewong Warrant
Fair Value Measurements
Warrants, measurement input	1.641		1.641
Risk-free interest rate | Series A
Fair Value Measurements
Warrants, measurement input	0.039			0.036
Risk-free interest rate | Series B
Fair Value Measurements
Warrants, measurement input	0.037			0.035
Risk-free interest rate | Pipe Warrants
Fair Value Measurements
Warrants, measurement input	0.039	0.036
Risk-free interest rate | Daewong Warrant
Fair Value Measurements
Warrants, measurement input	0.039		0.039
Expected life (in years) | Series A
Fair Value Measurements
Warrants, measurement input | $	3.91			4.02
Expected life (in years) | Series B
Fair Value Measurements
Warrants, measurement input | $	1.27			1.52
Expected life (in years) | Pipe Warrants
Fair Value Measurements
Warrants, measurement input | $	4.83	5
Expected life (in years) | Daewong Warrant
Fair Value Measurements
Warrants, measurement input | $	4.82		5.01