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12. Retirement Plan
12 Months Ended
Dec. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]  
12. Retirement Plan

The Company sponsors a participant contributory retirement 401(k) plan, which is available to all employees. The Company’s contribution to the plan is either a percentage of the participant’s contribution (50% of the participant’s contribution up to a maximum of 6%) or a discretionary amount. In the second quarter of 2020, the Company suspended the participant contributory retirement 401(k) plan to reduce costs and to better position the Company in an uncertain business environment due in part to the COVID-19 pandemic. For the years ended December 31, 2020 and 2019, total contributions made by the Company were $60 and $164, respectively.