Commitments and Contingencies	9 Months Ended
Sep. 30, 2024
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	5. Commitments and Contingencies Commitments Aldoxorubicin The Company has an agreement (the “Vergell Agreement”) with Vergell Medical (formerly with KTB Tumorforschungs GmbH) (“Vergell”) for the exclusive license of patent rights held by Vergell for the worldwide development and commercialization of aldoxorubicin. Under the agreement, we had to make payments to Vergell upon meeting certain clinical and regulatory milestones up to and including the product’s second final marketing approval. However, those payments are no longer required since the intellectual property acquired under the Vergell Agreement has now expired. The Company accrued $316,000 that we believe is owed prior to the expiry of the intellectual property. This amount was outstanding both for the nine-month periods ended September 30, 2024 and September 30, 2023 and is included in accrued expenses and other current liabilities on the condensed balance sheet. As discussed in Note 3, pursuant to the First Amendment to the Royalty Agreement, the Company and XOMA have amended the Royalty Agreement to provide XOMA with a low single-digit synthetic royalty on aldoxorubicin and a mid-single digit percentage of any economics derived by LadRx from future out-license agreements related to aldoxorubicin. Arimoclomol The agreement relating to our worldwide rights to arimoclomol provides for our payment of up to an aggregate of $3.65 million upon receipt of milestone payments from Orphayzme A/S. On May 31, 2022, Orphazyme announced that it had completed the sale of substantially all of its assets and business activities for cash consideration of $12.8 million and assumption of liabilities estimated to equal approximately $5.2 million to KemPharm (the “KemPharm Transaction”). KemPharm is a specialty biopharmaceutical company focused on the discovery and development of novel treatments for rare central nervous system (“CNS”) diseases. As part of the KemPharm Transaction, all of Orphazyme’s obligations to LadRx under the 2011 Arimoclomol Agreement, including with regard to milestone payments and royalties on sales, were assumed by KemPharm. KemPharm re-branded to Zevra Therapeutics, Inc. in February 2023. As disclosed in Note 3, Assignment Agreement with XOMA, pursuant to the Assignment Agreement, although all the liabilities and obligations related to arimoclomol remain the responsibility of the Company, XOMA will direct an escrow agent appointed by them to pay on behalf of LadRx up to an aggregate of $3.25 million reflected in the preceding paragraph, as well as all future obligations related to Steven A. Kriegsman, pursuant to the Amended and Restated Employment Agreement, as amended by and between the Company and Mr. Kriegsman, dated March 26, 2019. Innovive Under the merger agreement by which the Company acquired Innovive, the Company agreed to pay the former Innovive stockholders a total of up to approximately $18.3 million of future earnout merger consideration, subject to our achievement of specified net sales under the Innovive license agreements. As of September 30, 2024, there are no longer any further obligations due under this agreement, since the licensed intellectual property rights have expired. Contingencies We apply the disclosure provisions of ASC 460, Guarantees (“ASC 460”) to its agreements that contain guarantees or indemnities by the Company. We provide (i) indemnifications of varying scope and size to certain investors and other parties for certain losses suffered or incurred by the indemnified party in connection with various types of third-party claims; and (ii) indemnifications of varying scope and size to officers and directors against third party claims arising from the services they provide to the Company. The Company is occasionally involved in legal proceedings and other matters arising from the normal course of business. On November 30, 2022, Jerald Hammann (“Hammann”) filed a complaint (the “Complaint”) against the Company, Mr. Caloz, and Mr. Kriegsman (together, “Defendants”) in the Court of Chancery of the State of Delaware, alleging various violations of a Cooperation Agreement, dated August 21, 2020, by and between the Company and Hammann. The Complaint alleges breaches of a provision limiting the Board’s ability to effect discretionary compensation and a non-disparagement provision. The Complaint further alleges a breach of a purported implied obligation that the Company disclose various internal records to Hammann. Defendants moved to dismiss the Complaint in its entirety. As a result, the Court subsequently dismissed the claims against Mr. Caloz and Mr. Kriegsman and also dismissed one of the claims against the Company. The Company intends to litigate vigorously against Hammann’s claims. The Company evaluates developments in legal proceedings and other matters on a quarterly basis. The Company records accruals for loss contingencies to the extent that the Company concludes that it is probable that a liability has been incurred and the amount of the related loss can be reasonably estimated.

Commitments and Contingencies

9 Months Ended

Sep. 30, 2024

Commitments and Contingencies Disclosure [Abstract]

5. Commitments and Contingencies

Commitments

Aldoxorubicin

The Company has an agreement (the “Vergell Agreement”) with Vergell Medical (formerly with KTB Tumorforschungs GmbH) (“Vergell”) for the exclusive license of patent rights held by Vergell for the worldwide development and commercialization of aldoxorubicin. Under the agreement, we had to make payments to Vergell upon meeting certain clinical and regulatory milestones up to and including the product’s second final marketing approval. However, those payments are no longer required since the intellectual property acquired under the Vergell Agreement has now expired. The Company accrued $316,000 that we believe is owed prior to the expiry of the intellectual property. This amount was outstanding both for the nine-month periods ended September 30, 2024 and September 30, 2023 and is included in accrued expenses and other current liabilities on the condensed balance sheet.

As discussed in Note 3, pursuant to the First Amendment to the Royalty Agreement, the Company and XOMA have amended the Royalty Agreement to provide XOMA with a low single-digit synthetic royalty on aldoxorubicin and a mid-single digit percentage of any economics derived by LadRx from future out-license agreements related to aldoxorubicin.

Arimoclomol

The agreement relating to our worldwide rights to arimoclomol provides for our payment of up to an aggregate of $3.65 million upon receipt of milestone payments from Orphayzme A/S. On May 31, 2022, Orphazyme announced that it had completed the sale of substantially all of its assets and business activities for cash consideration of $12.8 million and assumption of liabilities estimated to equal approximately $5.2 million to KemPharm (the “KemPharm Transaction”). KemPharm is a specialty biopharmaceutical company focused on the discovery and development of novel treatments for rare central nervous system (“CNS”) diseases. As part of the KemPharm Transaction, all of Orphazyme’s obligations to LadRx under the 2011 Arimoclomol Agreement, including with regard to milestone payments and royalties on sales, were assumed by KemPharm. KemPharm re-branded to Zevra Therapeutics, Inc. in February 2023.

As disclosed in Note 3, Assignment Agreement with XOMA, pursuant to the Assignment Agreement, although all the liabilities and obligations related to arimoclomol remain the responsibility of the Company, XOMA will direct an escrow agent appointed by them to pay on behalf of LadRx up to an aggregate of $3.25 million reflected in the preceding paragraph, as well as all future obligations related to Steven A. Kriegsman, pursuant to the Amended and Restated Employment Agreement, as amended by and between the Company and Mr. Kriegsman, dated March 26, 2019.

Innovive

Under the merger agreement by which the Company acquired Innovive, the Company agreed to pay the former Innovive stockholders a total of up to approximately $18.3 million of future earnout merger consideration, subject to our achievement of specified net sales under the Innovive license agreements. As of September 30, 2024, there are no longer any further obligations due under this agreement, since the licensed intellectual property rights have expired.

Contingencies

We apply the disclosure provisions of ASC 460, Guarantees (“ASC 460”) to its agreements that contain guarantees or indemnities by the Company. We provide (i) indemnifications of varying scope and size to certain investors and other parties for certain losses suffered or incurred by the indemnified party in connection with various types of third-party claims; and (ii) indemnifications of varying scope and size to officers and directors against third party claims arising from the services they provide to the Company.

The Company is occasionally involved in legal proceedings and other matters arising from the normal course of business. On November 30, 2022, Jerald Hammann (“Hammann”) filed a complaint (the “Complaint”) against the Company, Mr. Caloz, and Mr. Kriegsman (together, “Defendants”) in the Court of Chancery of the State of Delaware, alleging various violations of a Cooperation Agreement, dated August 21, 2020, by and between the Company and Hammann. The Complaint alleges breaches of a provision limiting the Board’s ability to effect discretionary compensation and a non-disparagement provision. The Complaint further alleges a breach of a purported implied obligation that the Company disclose various internal records to Hammann. Defendants moved to dismiss the Complaint in its entirety. As a result, the Court subsequently dismissed the claims against Mr. Caloz and Mr. Kriegsman and also dismissed one of the claims against the Company. The Company intends to litigate vigorously against Hammann’s claims.

The Company evaluates developments in legal proceedings and other matters on a quarterly basis. The Company records accruals for loss contingencies to the extent that the Company concludes that it is probable that a liability has been incurred and the amount of the related loss can be reasonably estimated.