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FAIR VALUE MEASUREMENTS - Schedule of Changes in Assumption at Fair Value (Details) - Convertible Preferred Derivative	Jun. 30, 2026 Year
Time to Liquidity | Series A Convertible Preferred Stock
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at measurement input	0.11
Time to Liquidity | Series B Convertible Preferred Stock
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at measurement input	0.11
Risk free rate (continuous) | Series A Convertible Preferred Stock
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at measurement input	0.037
Risk free rate (continuous) | Series B Convertible Preferred Stock
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at measurement input	0.037
Volatility | Series A Convertible Preferred Stock
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at measurement input	0.450
Volatility | Series B Convertible Preferred Stock
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at measurement input	0.450
Dividend Rate | Series A Convertible Preferred Stock | Minimum
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at measurement input	0.18
Dividend Rate | Series A Convertible Preferred Stock | Maximum
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at measurement input	0.19
Dividend Rate | Series B Convertible Preferred Stock | Minimum
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at measurement input	0.18
Dividend Rate | Series B Convertible Preferred Stock | Maximum
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at measurement input	0.19
Discount Rate | Series A Convertible Preferred Stock
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at measurement input	0.190
Discount Rate | Series B Convertible Preferred Stock
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at measurement input	0.180

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