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Related Party Arrangements
 3 Months Ended
Mar. 31, 2024
Related Party Transactions [Abstract]  
Related Party Arrangements

(5) Related Party Arrangements

Transactions with the Company’s Former President and Chief Executive Officer

The Company has entered into unrestricted research grants with its former President and Chief Executive Officer’s academic research laboratory at the University of Colorado. Funding of any unrestricted research grants is contingent upon the Company’s financial condition, and can be deferred or terminated at the Company’s discretion. There was no expense under these arrangements for the three months ended March 31, 2024. Total expense under these arrangements for the three months ended March 31, 2023 was $108,000. In December 2023, the Company made a payment of $125,000 for the grant period July 2022 through December 2023 under these arrangements. In April 2024, the President and Chief Executive Officer resigned, see Note 10.