Avenue Therapeutics, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Subsequent Events (Details Textual)

Note 9 - Subsequent Events (Details Textual)				3 Months Ended
Note 9 - Subsequent Events (Details Textual)	Apr. 28, 2024 USD ($) $ / shares shares	Apr. 25, 2024	Jan. 05, 2024 USD ($) $ / shares	Mar. 31, 2024 USD ($) $ / shares	Mar. 31, 2023 USD ($)	May 31, 2024 USD ($) $ / shares	Jan. 09, 2024 $ / shares	Dec. 31, 2023 $ / shares	Nov. 30, 2023 $ / shares shares
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)				$ 29.5				$ 32.42
Proceeds from Warrant Exercises \| $				$ 4,973,000	$ 0
Common Stock, Par or Stated Value Per Share (in dollars per share)				$ 0.0001			$ 0.0001	$ 0.0001
November 2023 Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) \| shares									194,667
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 22.545						$ 22.545
Existing Warrants [Member]
Proceeds from Warrant Exercises \| $			$ 4,500,000
Subsequent Event [Member]
Offering Agreement, Maximum Amount \| $						$ 3,850,000
Common Stock, Par or Stated Value Per Share (in dollars per share)						$ 0.0001
Subsequent Event [Member] \| October 2022 Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) \| shares	27,271
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 116.25
Subsequent Event [Member] \| November 2023 Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) \| shares	221,333
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 22.545
Subsequent Event [Member] \| New Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) \| shares	441,076
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 22.545
Subsequent Event [Member] \| Existing Warrants [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 6.2
Proceeds from Warrant Exercises \| $	$ 4,400,000
Subsequent Event [Member] \| New Class C Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) \| shares	689,680
Subsequent Event [Member] \| New Class D Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) \| shares	689,680
Subsequent Event [Member] \| May 2024 Warrant Inducement [Member]
Warrant Payment, Price Per Share (in dollars per share)	$ 0.125
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio				75
Reverse Stock Split [Member] \| Subsequent Event [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio		75