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Stock-Based Compensation - Stock-based Compensation Expense (Details) - USD ($)
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Stock-based compensation expense $ 2,552 $ 4,185
Research and Development Expense    
Stock-based compensation expense 581 383
General and Administrative Expense    
Stock-based compensation expense $ 1,971 $ 3,802