XML 40 R25.htm IDEA: XBRL DOCUMENT

Related Party Transactions	12 Months Ended
Related Party Transactions	Dec. 31, 2022
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions The Company has employed Thomas Koob as its Chief Scientific Officer (a non-executive officer) since 2006. Thomas Koob is the brother of a former director, Charles Koob. Subsequent to the Company’s employment of Thomas Koob, Charles Koob was appointed as a director of the Company in March 2008. Charles Koob's term as a Director expired at the 2020 Annual Meeting held on November 20, 2020. In 2020, the Company paid Thomas Koob an annual salary of $0.2 million and provided equity, incentive compensation and other compensation of $0.3 million. The Company had no related party transactions for the years ended December 31, 2022 or 2021.