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Related Party Transactions	3 Months Ended
Related Party Transactions	Mar. 31, 2023
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions Third Security and Affiliates The Company's Executive Chairman is also the Senior Managing Director and Chairman of Third Security and owns 100% of the equity interests of Third Security. Through December 2019, the Company was party to a Services Agreement ("Services Agreement") with Third Security pursuant to which Third Security provided the Company with certain professional, legal, financial, administrative, and other support services necessary to support the Company and its Executive Chairman. Following the expiration of the Services Agreement, the Company entered into a new agreement with Third Security under which the Company reimburses Third Security for certain tax-related services performed by Third Security as requested by the Company which expired on December 31, 2021. As the Company evaluates its alternatives, it continues to utilize these services on a limited basis under the terms of the original agreement. The Company also reimburses Third Security for certain out-of-pocket expenses incurred on the Company's behalf prior to and after the expiration of the Services Agreement under a separate agreement. The total expenses incurred by the Company under these arrangements were $0 and $26 for the three months ended March 31, 2023 and 2022, respectively. See also Note 12 regarding compensation arrangements between the Company and its Executive Chairman. See Notes 1, 3, and 11 regarding additional transactions with affiliates of Third Security.