FAIR VALUE MEASUREMENTS - Fair value of the derivative liability and preferred stock determined by using option pricing models assumptions (Details)	Jun. 22, 2026 Y	May 13, 2026 Y	Mar. 30, 2026 Y	Mar. 18, 2026 Y
Expected term (years)
FAIR VALUE MEASUREMENTS
Fair value of derivative liability and preferred stock	2.99	2.5	3	0.5
Fair value of preferred stock	10		10
Risk-free interest rate
FAIR VALUE MEASUREMENTS
Fair value of derivative liability and preferred stock	0.0416	0.0399	0.0378	0.0367
Fair value of preferred stock	0.0441		0.0426
Expected volatility
FAIR VALUE MEASUREMENTS
Fair value of derivative liability and preferred stock	0.50	0.50	0.50	0.50
Fair value of preferred stock	0.50		0.50
Expected dividend yield
FAIR VALUE MEASUREMENTS
Fair value of derivative liability and preferred stock	0	0	0	0
Fair value of preferred stock	0		0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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