Note 11 - Commitments and Contingencies	9 Months Ended
Sep. 30, 2022
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	*11.* Commitments and Contingencies On March 24, 2021, a complaint, captioned Bednar v. Cleveland BioLabs, Inc. et al., Case 1:21-cv-02546, was filed in the U.S. District Court for the Southern District of New York in connection with the Merger (the "Bednar Action"). The Bednar Action names as defendants Cleveland BioLabs and each director on the Cleveland BioLabs board of directors. The complaint in the Bednar Action alleges that Cleveland BioLabs and the Cleveland BioLabs board of directors omitted and/or provided misleading information in the registration statement on Form S-4 filed with the SEC in connection with the Merger in violation of their fiduciary duties and the Exchange Act and related SEC regulations. The Bednar Action seeks, among other things, an injunction preventing the closing of the Merger, rescission of the Merger if it is consummated, the dissemination by the Company of a revised registration statement on Form S-4 and an award of plaintiffs’ attorneys’ and experts’ fees. On October 13, 2021, Plaintiff Bednar filed a notice of dismissal. On October 20, 2021, the Southern District entered an order dismissing the case. On December 23, 2021, Plaintiff Bednar filed a new action in the Delaware Court of Chancery, asserting a cause of action for an equitable assessment of attorneys’ fees and expenses incurred in connection with the first lawsuit. The new Delaware action names the same defendants as the first Bednar Action. The Defendants in the new Delaware action have filed an answer to Plaintiff’s Delaware complaint. On August 16, 2022, certain former employees of the Company and certain third-party vendors of the Company (collectively, "Petitioning Creditors") filed an involuntary petition in the United States Bankruptcy Court for the District of Colorado (No. 22-13051-JGR) against the Company seeking relief under Chapter 11 of the United States Bankruptcy Code. The Company believes the involuntary petition is improper and wrongfully filed and is seeking dismissal of the petition. The outcome of this lawsuit is uncertain. The Company believes that the claims asserted are without merit.

Note 11 - Commitments and Contingencies

9 Months Ended

Sep. 30, 2022

Commitments and Contingencies Disclosure [Text Block]

11. Commitments and Contingencies

On March 24, 2021, a complaint, captioned Bednar v. Cleveland BioLabs, Inc. et al., Case 1:21-cv-02546, was filed in the U.S. District Court for the Southern District of New York in connection with the Merger (the "Bednar Action"). The Bednar Action names as defendants Cleveland BioLabs and each director on the Cleveland BioLabs board of directors. The complaint in the Bednar Action alleges that Cleveland BioLabs and the Cleveland BioLabs board of directors omitted and/or provided misleading information in the registration statement on Form S-4 filed with the SEC in connection with the Merger in violation of their fiduciary duties and the Exchange Act and related SEC regulations. The Bednar Action seeks, among other things, an injunction preventing the closing of the Merger, rescission of the Merger if it is consummated, the dissemination by the Company of a revised registration statement on Form S-4 and an award of plaintiffs’ attorneys’ and experts’ fees. On October 13, 2021, Plaintiff Bednar filed a notice of dismissal. On October 20, 2021, the Southern District entered an order dismissing the case. On December 23, 2021, Plaintiff Bednar filed a new action in the Delaware Court of Chancery, asserting a cause of action for an equitable assessment of attorneys’ fees and expenses incurred in connection with the first lawsuit. The new Delaware action names the same defendants as the first Bednar Action. The Defendants in the new Delaware action have filed an answer to Plaintiff’s Delaware complaint.

On August 16, 2022, certain former employees of the Company and certain third-party vendors of the Company (collectively, "Petitioning Creditors") filed an involuntary petition in the United States Bankruptcy Court for the District of Colorado (No. 22-13051-JGR) against the Company seeking relief under Chapter 11 of the United States Bankruptcy Code. The Company believes the involuntary petition is improper and wrongfully filed and is seeking dismissal of the petition. The outcome of this lawsuit is uncertain. The Company believes that the claims asserted are without merit.