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

Quarterly report pursuant to Section 13 or 15(d)

Convertible Instruments - Notes (Details)

Convertible Instruments - Notes (Details) $ / shares in Units, shares in Thousands, $ in Thousands										1 Months Ended			3 Months Ended				6 Months Ended	9 Months Ended		12 Months Ended
	Mar. 12, 2021 USD ($) $ / shares shares	Nov. 10, 2020 USD ($) $ / shares shares	Sep. 15, 2020 shares	Jul. 29, 2020 USD ($) $ / shares shares	Mar. 31, 2020 USD ($) $ / shares	Nov. 14, 2019 USD ($) item	Jan. 30, 2019 USD ($) $ / shares shares	Nov. 15, 2018 USD ($) $ / shares	Jun. 26, 2018 USD ($) $ / shares	Apr. 30, 2021 USD ($) $ / shares shares	Nov. 30, 2020 item $ / shares	Jul. 27, 2020 USD ($) $ / shares shares	Feb. 28, 2021 USD ($) $ / shares shares	Nov. 30, 2020 USD ($) $ / shares	Feb. 29, 2020 USD ($)	Nov. 30, 2019 USD ($) item $ / shares shares	Nov. 30, 2020 USD ($) $ / shares	Feb. 28, 2021 USD ($) $ / shares shares	Feb. 29, 2020 USD ($)	May 31, 2020 USD ($) $ / shares shares	Apr. 02, 2021 $ / shares	Mar. 31, 2021 $ / shares	Mar. 18, 2021 $ / shares	Jan. 28, 2021 $ / shares	Dec. 08, 2020 $ / shares	Dec. 04, 2020 $ / shares	Nov. 17, 2020 $ / shares	May 31, 2019 USD ($)	Nov. 14, 2018 USD ($)
Debt Instrument [Line Items]
Common stock, par value \| $ / shares											$ 0.001		$ 0.001	$ 0.001			$ 0.001	$ 0.001		$ 0.001				$ 0.001	$ 0.001	$ 0.001	$ 0.001
Conversion price \| $ / shares																$ 0.50
Number of noteholders converting to equity \| item											3
Convertible note, redeemed amount																		$ 29,800	$ 10,976
Inducement interest expense													$ 4,139		$ 5,163			11,242	7,876
Amortization of debt discount													157					2,739	1,470
Proceeds from sale of common stock and warrant																		1,000	12,666
Loss on extinguishment of convertible notes													$ (7,625)					$ (11,794)
Common Stock, Shares, Issued \| shares													609,420					609,420		519,261
Interest paid																		$ 140	9
Default interest rate, scenario one				22.00%
Shares issued on conversion \| shares																		8,300
Gain loss on extinguishment of debt													$ (7,625)					$ (11,794)
Accrued interest on convertible notes													2,391					$ 2,391		$ 292
Subsequent Event
Debt Instrument [Line Items]
Common stock, par value \| $ / shares	$ 0.001									$ 0.001											$ 0.001	$ 0.001	$ 0.001
2019 Short Term Convertible Notes [Member]
Debt Instrument [Line Items]
Convertible note, aggregate principal																												$ 5,500
Debt outstanding amount						$ 5,900
Conversion price \| $ / shares																				$ 0.50
Amount extended for three months						1,100
Amount extended for six months						$ 4,100
Number of noteholders converting to equity \| item						1										1
Repayment of note																$ 700
Convertible note, redeemed amount						$ 200
Common stock warrants to purchase shares \| shares																4,750
Shares received in full conversion to equity \| shares																200
Term of warrants																5 years
Inducement interest expense																$ 300
Exercise price of warrants, per share \| $ / shares																$ 0.30
Exercise price of warrants per share in full conversion to equity \| $ / shares																$ 0.45
Convertible notes, interest rate																10.00%
Interest expense																			400
Outstanding balance of convertible note including accrued unpaid interest																				$ 5,200
Shares issued on conversion \| shares																				10,400
Outstanding balance of convertible note including accrued unpaid interest																				$ 5,200
Long Term Convertible Note Issued June 2018 [Member]
Debt Instrument [Line Items]
Convertible note, aggregate principal									$ 5,700
Conversion price \| $ / shares								$ 0.55	$ 0.55
Convertible note, redeemed amount																				$ 4,500
Convertible notes, interest rate									10.00%
Issuance of stock for convertible note, shares \| shares																				8,500
Interest expense																			$ 500
Proceeds from convertible promissory note									$ 5,000
Convertible promissory note maximum redemption amount								$ 350	$ 350
Loss on extinguishment of convertible notes								1,500
Fair value of Note								$ 6,900
Net carrying value of note																													$ 5,400
Interest paid																				$ 500
Debt instrument lock in period									6 months
Number of days of notice to be given for redemption									5 days
Number of days of notice to be given for conversion of notes into common stock									5 days
Debt instrument term									2 years
Days prior to conversion								20 days
Stock price multiplier								85.00%
Gain loss on extinguishment of debt								$ 1,500
Share price factor									150.00%
Long Term Convertible Note Issued January 2019
Debt Instrument [Line Items]
Convertible note, aggregate principal							$ 5,700
Conversion price \| $ / shares							$ 0.50
Convertible note, redeemed amount																				$ 6,300
Common stock warrants to purchase shares \| shares							5,000
Term of warrants							5 years
Exercise price of warrants, per share \| $ / shares							$ 0.30
Convertible notes, interest rate							10.00%
Unamortized discount							$ 600
Issuance of stock for convertible note, shares \| shares																		10,800
Interest expense																		$ 6,200
Proceeds from convertible promissory note							5,000
Convertible promissory note maximum redemption amount							$ 350
Interest paid																		$ 850
Debt instrument lock in period							6 months
Number of days of notice to be given for redemption							5 days
Number of days of notice to be given for conversion of notes into common stock							5 days
Debt instrument term							2 years
Days prior to conversion							20 days
Stock price multiplier							85.00%
Debt issuance costs							$ 100
Shares reserved \| shares							20,000
Warrants At Fair Value Of Redemption Provision							$ 1,465
Relative Fair Value Of Equity Classified Warrants							858
Beneficial conversion feature							$ 2,677
Long Term Convertible Note Issued March 2020
Debt Instrument [Line Items]
Convertible note, aggregate principal					$ 17,100
Conversion price \| $ / shares					$ 4.50							$ 4.50
Convertible note, redeemed amount												$ 9,500	$ 950
Convertible notes, interest rate					10.00%
Unamortized discount					$ 2,100
Amortization of debt discount prior to debt modification														$ 700			$ 1,900
Number of debt conversion agreements \| item											3
Proceeds from convertible promissory note					15,000
Convertible promissory note maximum redemption amount					$ 950
Loss on extinguishment of convertible notes														(4,200)
Common Stock, Shares, Issued \| shares													4,300					4,300
Interest paid													$ 950
Debt instrument lock in period					6 months
Number of days of notice to be given for redemption					3 days
Number of days of notice to be given for conversion of notes into common stock					5 days
Debt instrument term					2 years
Shares issued on conversion \| shares												2,100
Debt Instrument, Periodic Payment														7,500
Gain loss on extinguishment of debt														$ (4,200)
Long Term Convertible Note Issued July 2020
Debt Instrument [Line Items]
Convertible note, aggregate principal				$ 28,500
Conversion price \| $ / shares				$ 10.00
Repayment of note													$ 7,500
Convertible notes, interest rate				10.00%
Unamortized discount				$ 3,400
Issuance of stock for convertible note, shares \| shares													1,800
Interest expense													$ 700					$ 1,700
Proceeds from convertible promissory note				25,000
Convertible promissory note maximum redemption amount				$ 1,600
Outstanding balance of convertible note including accrued unpaid interest													22,700					22,700
Loss on extinguishment of convertible notes													(3,200)
Interest Payable													1,700					1,700
Amortization of debt issuance costs and discount													400					1,000
Unamortized discount and debt issuance costs													1,800					1,800
Percentage increase in amount payable on default				15.00%
Percentage increase in amount payable, second scenario				10.00%
Percentage increase in amount payable, third default scenario				5.00%
Debt instrument lock in period				6 months
Number of days of notice to be given for redemption				3 days
Debt instrument prepayment percentage premium				15.00%
Number of days of notice to be given for prepayment				1 day
Number of days of notice to be given for conversion of notes into common stock				5 days
Debt instrument term				2 years
Debt issuance costs				$ 100
Debt proceeds requiring investor consent				$ 25,000
Additional debt, increase in interest rate				5.00%
Gain loss on extinguishment of debt													(3,200)
Shares reserved \| shares				6,000
Shares under Registration Statement to cover repayment \| shares			2,900
Outstanding balance of convertible note including accrued unpaid interest													22,700					22,700
Long Term Convertible Note Issued July 2020 \| Subsequent Event
Debt Instrument [Line Items]
Convertible note, redeemed amount	$ 7,500									$ 7,500
Outstanding balance of convertible note including accrued unpaid interest	$ 15,200									$ 7,900
Shares issued on conversion \| shares	3,600									2,500
Debt Instrument, Periodic Payment	$ 7,500									$ 7,500
Outstanding balance of convertible note including accrued unpaid interest	$ 15,200									$ 7,900
Long Term Convertible Note Issued November 2020
Debt Instrument [Line Items]
Convertible note, aggregate principal		$ 28,500
Conversion price \| $ / shares		$ 10.00
Repayment of note													$ 7,500
Convertible notes, interest rate		10.00%
Unamortized discount		$ 3,400
Issuance of stock for convertible note, shares \| shares													2,200
Interest expense													$ 600					700
Proceeds from convertible promissory note		25,000
Convertible promissory note maximum redemption amount		$ 3,500
Outstanding balance of convertible note including accrued unpaid interest													21,700					21,700
Loss on extinguishment of convertible notes													(4,400)
Interest Payable													700					700
Amortization of debt issuance costs and discount													300					400
Unamortized discount and debt issuance costs													2,200					2,200
Percentage increase in amount payable on default		15.00%
Percentage increase in amount payable, second scenario		10.00%
Percentage increase in amount payable, third default scenario		5.00%
Debt instrument lock in period		6 months
Number of days of notice to be given for redemption		3 days
Debt instrument prepayment percentage premium		15.00%
Number of days of notice to be given for prepayment		15 days
Number of days of notice to be given for conversion of notes into common stock		5 days
Default interest rate, scenario one		22.00%
Debt instrument term		2 years
Debt issuance costs		$ 100
Debt proceeds requiring investor consent		$ 25,000
Additional debt, increase in interest rate		5.00%
Debt Instrument, Periodic Payment		$ 7,500
Monthly payment period		5 months
Gain loss on extinguishment of debt													(4,400)
Shares reserved \| shares		6,000
Outstanding balance of convertible note including accrued unpaid interest													$ 21,700					$ 21,700