Quantum Corporation Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

DEBT - Narrative (Details)

DEBT - Narrative (Details) - USD ($)							3 Months Ended		6 Months Ended
DEBT - Narrative (Details) - USD ($)	Sep. 23, 2025	Apr. 02, 2025	Jan. 25, 2025	Aug. 31, 2024	Aug. 14, 2024	Jun. 01, 2023	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Aug. 13, 2025	Jun. 30, 2025	May 05, 2025	Mar. 31, 2025	Aug. 13, 2024	Jul. 31, 2024	Jul. 11, 2024	Aug. 05, 2021
Debt Instrument
Borrowings of long-term debt, net of debt issuance costs									$ (6,317,000)	$ 24,655,000
Borrowings of credit facility									71,625,000	209,852,000
Issuance of warrants							$ 25,420,000
Paid-in-kind interest									3,579,000	1,844,000
Gain (loss) on debt extinguishment							33,254,000	$ 2,308,000	30,695,000	$ 3,003,000
Term debt, net of current portion							0		0					$ 0
Warrant liabilities							$ 23,895,000		$ 23,895,000			$ 0		$ 0
Standby Equity Purchase Agreement
Debt Instrument
Shares authorized for issuance			$ 200,000,000
Sale of stock, term			3 years
Cumulative shares issued (shares)							7,500,000		7,500,000
Cumulative consideration received from sales of stock							$ 82,800,000		$ 82,800,000
Number of shares issued in transaction (in shares)									6,300,000
Proceeds from issuance of stock, net									$ 66,300,000
Forbearance Warrants
Debt Instrument
Warrant exercise price (in dollars per share)	$ 8.81
Class of warrant or right, exercise price of warrants or rights percentage	80.00%
Number of days volume weighted average price	7 days
July 2024 Warrants
Debt Instrument
Warrant exercise price (in dollars per share)																	$ 8.20
Warrants to purchase (in shares)																	50,000
August 2024 Warrants
Debt Instrument
Issuance of warrants				$ 1,200,000
Forbearance Warrants
Debt Instrument
Warrants to purchase (in shares)	2,653,308						2,653,308		2,653,308
Fair value of warrants							$ 23,900,000		$ 23,900,000
Class of warrant or right, common stock outstanding percentage									19.90%
Warrant liabilities	$ 20,000,000
Line of Credit
Debt Instrument
Debt extinguishment cost											$ 1,200,000
Term Loans
Debt Instrument
Gain (loss) on debt extinguishment							33,300,000		$ 30,700,000
Term Loans \| Senior Secured Debt
Debt Instrument
Line of credit facility, maximum borrowing amount				$ 26,300,000
Borrowings of long-term debt, net of debt issuance costs						$ 15,000,000
Debt issuance cost		$ 400,000				$ 900,000							$ 100,000
Stated interest rate (as a percent)				5.00%		9.00%
Warrants issued (in shares)				380,310
Warrant exercise price (in dollars per share)				$ 6.20
Line of credit facility, maximum borrowing amount, net				$ 25,000,000
Borrowings of credit facility				10,500,000
Line of credit facility, remaining borrowing amount				15,800,000
Gain (loss) on debt extinguishment		$ (2,400,000)		$ 3,000,000
Term Loans \| Senior Secured Debt \| Covenant Period One
Debt Instrument
Stated interest rate (as a percent)				11.00%
Paid-in-kind interest rate margin (as a percent)				6.00%
Term Loans \| Senior Secured Debt \| Covenant Period Two
Debt Instrument
Stated interest rate (as a percent)				13.00%
Paid-in-kind interest rate margin (as a percent)				8.00%
Term Loans \| Senior Secured Debt \| Term Loan Warrant
Debt Instrument
Warrants issued (in shares)						60,000.00
Term Loans \| Senior Secured Debt \| July 2024 Warrants
Debt Instrument
Fair value of warrants																$ 400,000
Term Loans \| Senior Secured Debt \| August 2024 Warrants
Debt Instrument
Fair value of warrants				$ 2,000,000
Term Loans \| Senior Secured Debt \| SOFR
Debt Instrument
Variable rate (as a percent)						10.00%
Term Loans \| Senior Secured Debt \| SOFR \| Covenant Period One
Debt Instrument
Variable rate (as a percent)				12.00%
Term Loans \| Senior Secured Debt \| SOFR \| Covenant Period Two
Debt Instrument
Variable rate (as a percent)				14.00%
Term Loans \| Term Loans \| Term Loan Warrant
Debt Instrument
Warrant exercise price (in dollars per share)						$ 20.00
2021 Term Loan \| Senior Secured Debt \| Covenant Period One
Debt Instrument
Paid-in-kind interest rate margin (as a percent)					3.75%
Debt instrument amortization rate (as a percent)					5.00%
Applicable margin rate, percent (as a percent)					9.75%
2021 Term Loan \| Senior Secured Debt \| Covenant Period Two
Debt Instrument
Paid-in-kind interest rate margin (as a percent)					3.75%
Applicable margin rate, percent (as a percent)					9.75%
Debt instrument, step-up fee, percent (as a percent)					1.00%
2021 Term Loan \| Senior Secured Debt \| Covenant Period Two \| Paid in Kind Threshold One
Debt Instrument
Debt instrument, net leverage ratio					4.00
2021 Term Loan \| Senior Secured Debt \| Covenant Period Two \| Paid in Kind Threshold Two
Debt Instrument
Debt instrument, net leverage ratio					3.50
2021 Term Loan \| Senior Secured Debt \| SOFR \| Covenant Period One
Debt Instrument
Variable rate (as a percent)					1.00%
2021 Term Loan \| Senior Secured Debt \| SOFR \| Covenant Period Two \| Minimum
Debt Instrument
Variable rate (as a percent)					2.00%
2021 Term Loan \| Senior Secured Debt \| ABR \| Covenant Period One
Debt Instrument
Variable rate (as a percent)					1.75%
2021 Term Loan \| Senior Secured Debt \| ABR \| Covenant Period Two
Debt Instrument
Variable rate (as a percent)					8.75%
2021 Term Loan \| Senior Secured Debt \| Federal Funds Rate \| Covenant Period One
Debt Instrument
Variable rate (as a percent)					0.50%
2021 Term Loan \| Senior Secured Debt \| Prime Rate \| Covenant Period One
Debt Instrument
Variable rate (as a percent)					8.75%
Initial Term Loan \| Senior Secured Debt \| August 2024 Warrants
Debt Instrument
Paid-in-kind interest				$ 500,000
Debt Exchange \| Convertible Debt
Debt Instrument
Term debt, net of current portion							$ 52,600,000		$ 52,600,000
Amended PNC Credit Facility
Debt Instrument
Debt covenant, proceeds retainable on settlement of debt	$ 15,000,000
Debt covenant, potential interest rate increase (percent)	2.00%
Line of Credit \| PNC Credit Facility
Debt Instrument
Line of credit facility, maximum borrowing amount																		$ 40,000,000
Debt issuance cost																$ 100,000
Line of Credit \| PNC Credit Facility \| Covenant Period One
Debt Instrument
Applicable margin rate, percent (as a percent)					4.75%
Line of Credit \| PNC Credit Facility \| Covenant Period Two
Debt Instrument
Applicable margin rate, percent (as a percent)					3.75%
Line of Credit \| PNC Credit Facility \| SOFR \| Covenant Period Two
Debt Instrument
Variable rate (as a percent)					1.00%
Line of Credit \| PNC Credit Facility \| Overnight Banking Fund Rate \| Covenant Period Two
Debt Instrument
Variable rate (as a percent)					0.50%
Amended PNC Credit Facility
Debt Instrument
Line of credit facility daily minimum liquidity															$ 10,000,000