Short-Term Debt	12 Months Ended
Dec. 31, 2021
Debt Disclosure [Abstract]
Short-Term Debt	9. Short-Term Debt Financing Agreement On February 19, 2020, the Company entered into a nine-month financing agreement with AFCO Credit Corporation for its directors and officers (“D&O”) liability insurance in the amount of $2,225. The Company made a down payment of $556, leaving a principal balance of $1,669. The financing bore interest at a rate of 4.25% per annum, and was repaid in monthly installments of $189, which included both principal and interest. As of December 31, 2021 and 2020, the balance under this debt was $0. The Company recorded interest expense of $0 and $34 for the year ended December 31, 2021 and 2020, respectively, under this financing agreement.

Short-Term Debt

12 Months Ended

Dec. 31, 2021

9. Short-Term Debt

Financing Agreement

On February 19, 2020, the Company entered into a nine-month financing agreement with AFCO Credit Corporation for its directors and officers (“D&O”) liability insurance in the amount of $2,225. The Company made a down payment of $556, leaving a principal balance of $1,669. The financing bore interest at a rate of 4.25% per annum, and was repaid in monthly installments of $189, which included both principal and interest. As of December 31, 2021 and 2020, the balance under this debt was $0. The Company recorded interest expense of $0 and $34 for the year ended December 31, 2021 and 2020, respectively, under this financing agreement.