Quantum Corporation Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

FAIR VALUE OF FINANCIAL INSTRUMENTS - Summarizes the Key Assumptions in Estimating the Fair Value (Details)

FAIR VALUE OF FINANCIAL INSTRUMENTS - Summarizes the Key Assumptions in Estimating the Fair Value (Details) $ in Thousands	Mar. 31, 2026 USD ($) $ / shares	Sep. 23, 2025 USD ($) $ / shares	Mar. 31, 2025 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Discount period (years)	6 years 5 months 23 days	7 years
Warrant liabilities	$ 14,105		$ 0
Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Warrant liabilities	$ 14,105	$ 25,420
Stock price volatility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Warrant measurement inputs (as a percent)	1.0000	0.9800
Stock price at valuation date
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Warrant measurement inputs (as a percent) \| $ / shares	4.75	10.69
Minimum \| Risk-free interest rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Warrant measurement inputs (as a percent)	0.0365	0.0352
Minimum \| Probability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Warrant measurement inputs (as a percent)	0.15	0.15
Maximum \| Risk-free interest rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Warrant measurement inputs (as a percent)	0.0402	0.0383
Maximum \| Probability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Warrant measurement inputs (as a percent)	0.70	0.50
Weighted Average \| Probability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Warrant measurement inputs (as a percent)	0.15	0.35