CytoDyn Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Convertible Instruments and Accrued Interest - Convertible Note - Placement Agent Notes and Short-term Notes (Details)

Convertible Instruments and Accrued Interest - Convertible Note - Placement Agent Notes and Short-term Notes (Details)	1 Months Ended			3 Months Ended			9 Months Ended
	Dec. 31, 2023 USD ($)	Jul. 31, 2023 USD ($) $ / shares	Jun. 30, 2023 USD ($) item $ / shares shares	Feb. 29, 2024 USD ($) $ / shares shares	Sep. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2023 USD ($) $ / shares shares	Feb. 29, 2024 USD ($) $ / shares shares	Nov. 30, 2023 USD ($)	Jun. 30, 2022 $ / shares
Debt Instrument [Line Items]
Warrants to purchase common shares, shares \| shares					21,500,000
Term of warrants					5 years
Class of warrants, exercise price \| $ / shares		$ 0.306	$ 0.306		$ 0.50	$ 0.306			$ 0.50
Stock offering costs	$ 400,000				$ 400,000
Number of share in a unit \| item			1
Number of warrant in a unit \| item			1
Intraday volume weighted average price, Percentage			90.00%
Loss on note extinguishment		$ 2.4		$ (1,550,000)			$ (6,040,000)
Placement Agent Notes
Debt Instrument [Line Items]
Convertible notes, interest rate			6.00%			6.00%
Debt instrument term						18 months
Convertible note, aggregate principal			$ 2,300,000			$ 2,300,000
Principal amount of debt issued			$ 1,300,000
Term of warrants	10 years							10 years
Proceeds from sale of notes						1,100,000
Notes issuance costs						$ 200,000
Loss on note extinguishment	$ 1,600,000	$ (2,100,000)
Placement Agent Notes \| Short-term Notes
Debt Instrument [Line Items]
Convertible notes, interest rate	10.00%							10.00%
Convertible note, aggregate principal	$ 1,000,000.0							$ 1,000,000.0
Term of warrants				5 years			5 years
Class of warrants, exercise price \| $ / shares				$ 0.35			$ 0.35
Proceeds from sale of notes							$ 900,000
Notes issuance costs							$ 100,000
Discount rate on sale price of units sold, considered for conversion of notes	20.00%
Number of warrants to purchase common stock shares agreed to issue for each dollar of principal amount of Short-term Notes sold \| shares				1			1
Placement Agent Notes \| Placement Agent Warrants Issue One
Debt Instrument [Line Items]
Warrants to purchase common shares, shares \| shares			1,300,000			1,300,000
Term of warrants			3 years			3 years
Class of warrants, exercise price \| $ / shares			$ 0.50			$ 0.50
Placement Agent Notes \| Placement Agent Warrants Issue Two
Debt Instrument [Line Items]
Warrants to purchase common shares, shares \| shares			400,000			400,000
Term of warrants			10 years			10 years
Class of warrants, exercise price \| $ / shares			$ 0.26			$ 0.26