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

Note 7 - Stockholders' Equity - Schedule of Warrants under the Black-Scholes Model (Details)

Note 7 - Stockholders' Equity - Schedule of Warrants under the Black-Scholes Model (Details)	Jun. 30, 2024	Jan. 05, 2024	Dec. 31, 2023
Measurement Input, Share Price [Member] \| January 2023 Warrants [Member]
Warrant Liability		14.25
Measurement Input, Share Price [Member] \| New Series A Warrants [Member]
Warrant Liability		14.25
Measurement Input, Share Price [Member] \| New Series B Warrants [Member]
Warrant Liability		14.25
Measurement Input, Share Price [Member] \| October 2022 Warrants [Member]
Warrant Liability	3.5	4.76	12
Measurement Input, Share Price [Member] \| New Series C Warrants [Member]
Warrant Liability		4.76
Measurement Input, Share Price [Member] \| New Series D Warrants [Member]
Warrant Liability		4.76
Measurement Input, Share Price [Member] \| Placement Agents Warrants [Member]
Warrant Liability		4.76
Measurement Input, Risk Free Interest Rate [Member] \| January 2023 Warrants [Member]
Warrant Liability		0.044
Measurement Input, Risk Free Interest Rate [Member] \| New Series A Warrants [Member]
Warrant Liability		0.0402
Measurement Input, Risk Free Interest Rate [Member] \| New Series B Warrants [Member]
Warrant Liability		0.044
Measurement Input, Risk Free Interest Rate [Member] \| October 2022 Warrants [Member]
Warrant Liability	0.0452	0.05	0.0384
Measurement Input, Risk Free Interest Rate [Member] \| New Series C Warrants [Member]
Warrant Liability		0.0464
Measurement Input, Risk Free Interest Rate [Member] \| New Series D Warrants [Member]
Warrant Liability		0.0496
Measurement Input, Risk Free Interest Rate [Member] \| Placement Agents Warrants [Member]
Warrant Liability		0.0464
Measurement Input, Expected Dividend Rate [Member] \| January 2023 Warrants [Member]
Warrant Liability		0
Measurement Input, Expected Dividend Rate [Member] \| New Series A Warrants [Member]
Warrant Liability		0
Measurement Input, Expected Dividend Rate [Member] \| New Series B Warrants [Member]
Warrant Liability		0
Measurement Input, Expected Dividend Rate [Member] \| October 2022 Warrants [Member]
Warrant Liability	0	0	0
Measurement Input, Expected Dividend Rate [Member] \| New Series C Warrants [Member]
Warrant Liability		0
Measurement Input, Expected Dividend Rate [Member] \| New Series D Warrants [Member]
Warrant Liability		0
Measurement Input, Expected Dividend Rate [Member] \| Placement Agents Warrants [Member]
Warrant Liability		0
Measurement Input, Expected Term [Member] \| January 2023 Warrants [Member]
Warrant Liability		2.1
Measurement Input, Expected Term [Member] \| New Series A Warrants [Member]
Warrant Liability		5
Measurement Input, Expected Term [Member] \| New Series B Warrants [Member]
Warrant Liability		1.5
Measurement Input, Expected Term [Member] \| October 2022 Warrants [Member]
Warrant Liability	3.3	3.4	3.8
Measurement Input, Expected Term [Member] \| New Series C Warrants [Member]
Warrant Liability		5
Measurement Input, Expected Term [Member] \| New Series D Warrants [Member]
Warrant Liability		1.5
Measurement Input, Expected Term [Member] \| Placement Agents Warrants [Member]
Warrant Liability		5
Measurement Input, Price Volatility [Member] \| January 2023 Warrants [Member]
Warrant Liability		1.85
Measurement Input, Price Volatility [Member] \| New Series A Warrants [Member]
Warrant Liability		1.38
Measurement Input, Price Volatility [Member] \| New Series B Warrants [Member]
Warrant Liability		1.87
Measurement Input, Price Volatility [Member] \| October 2022 Warrants [Member]
Warrant Liability	1.60	1.60	1.48
Measurement Input, Price Volatility [Member] \| New Series C Warrants [Member]
Warrant Liability		1.41
Measurement Input, Price Volatility [Member] \| New Series D Warrants [Member]
Warrant Liability		1.32
Measurement Input, Price Volatility [Member] \| Placement Agents Warrants [Member]
Warrant Liability		1.41