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Letter of Credit	12 Months Ended
Letter of Credit	Dec. 31, 2023
Debt Disclosure [Abstract]
Letter of Credit	Letter of Credit On April 19, 2018, the Company entered into a secured letter of credit agreement (the "Letter") required for its subsidiary for an aggregate amount of up to $2.5 million. The Letter is with a commercial lender and it renews on an annual basis. The Letter bears interest at a rate of 0.75%. On April 19, 2023, the Letter expired, and at the time of expiration there was an unused balance of $2.5 million which was released to the Company. There was an unused balance of $2.5 million at December 31, 2022.