Avenue Therapeutics, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Note 10 - Subsequent Events (Details Textual)

Note 10 - Subsequent Events (Details Textual) $ / shares in Units, $ in Millions	Mar. 06, 2024 shares	Jan. 05, 2024 USD ($) $ / shares shares	Nov. 02, 2023 USD ($)	Sep. 23, 2022 shares	Jan. 09, 2024 $ / shares shares	Dec. 31, 2023 $ / shares shares	Nov. 30, 2023 shares	Oct. 31, 2023 $ / shares	Feb. 02, 2023 shares	Feb. 01, 2023 shares	Jan. 30, 2023 shares	Dec. 31, 2022 $ / shares shares	Oct. 31, 2022 $ / shares shares	Jul. 25, 2022 shares	Dec. 31, 2021 $ / shares
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) \| shares													545,454
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) \| $ / shares						$ 0.49						$ 1.55	$ 0.01		$ 9.98
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares						$ 0.0001		$ 0.0001				$ 0.0001
Common Stock, Shares Authorized (in shares) \| shares				20,000,000		75,000,000			75,000,000	20,000,000	55,000,000	20,000,000		50,000,000
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio				15
Series A Warrants Associated with November 2023 Public Offering [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) \| $ / shares								0.3006
Series B Warrants Associated with November 2023 Public Offering [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) \| $ / shares								$ 0.3006
January 2024 Private Offering [Member] \| Series B Warrants Associated with January 2024 Private Offering [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) \| shares		16,540,299
November 2023 Public Offering [Member]
Proceeds from Issuance or Sale of Equity \| $			$ 3.8
November 2023 Public Offering [Member] \| Pipe Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) \| shares							14,600,000
Subsequent Event [Member]
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares					$ 0.0001
Common Stock, Shares Authorized (in shares) \| shares					200,000,000
Subsequent Event [Member] \| Reverse Stock Split [Member]
Stock Split, Percent of Holders Signed	56.00%
Subsequent Event [Member] \| Reverse Stock Split [Member] \| Series A Preferred Stock [Member]
Number of Stock Held, Signed for Stock Split (in shares) \| shares	250,000
Subsequent Event [Member] \| Reverse Stock Split [Member] \| Common Stock [Member]
Number of Stock Held, Signed for Stock Split (in shares) \| shares	3,133,886
Subsequent Event [Member] \| Reverse Stock Split [Member] \| Minimum [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	30
Subsequent Event [Member] \| Reverse Stock Split [Member] \| Maximum [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	75
Subsequent Event [Member] \| Series A Warrants Associated with November 2023 Public Offering [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) \| $ / shares		$ 0.3006
Subsequent Event [Member] \| Series B Warrants Associated with November 2023 Public Offering [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) \| $ / shares		$ 0.3006
Subsequent Event [Member] \| January 2024 Private Offering [Member]
Proceeds from Issuance or Sale of Equity \| $		$ 5.0
Subsequent Event [Member] \| January 2024 Private Offering [Member] \| Pipe Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) \| shares		1,940,299
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) \| $ / shares		$ 1.55
Subsequent Event [Member] \| January 2024 Private Offering [Member] \| Series A Warrants Associated with January 2024 Private Offering [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) \| shares		16,540,299
Subsequent Event [Member] \| November 2023 Public Offering [Member]
Sale of Stock, Price Per Unit (in dollars per share) \| $ / shares		$ 0.3006