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Stock-Based Compensation Plan - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 15, 2022
Stock Based Compensation Plans [Line Items]      
Stock option awards, weighted average fair value per share $ 3.71 $ 6.22  
Stock-based compensation expense $ 0.9 $ 0.8  
Unamortized stock-based compensation expense for outstanding options $ 1.3    
Weighted average vesting period 2 years 2 months 12 days    
2017 Stock Incentive Plan      
Stock Based Compensation Plans [Line Items]      
Number of shares reserved for grant and issuance     0
2022 Stock Incentive Plan      
Stock Based Compensation Plans [Line Items]      
Common stock shares reserved for future issuance 1,300,000    
Expiration period (in years) 10 years    
Research and Development Expenses      
Stock Based Compensation Plans [Line Items]      
Stock-based compensation expense $ 0.2 0.2  
General and Administrative Expenses      
Stock Based Compensation Plans [Line Items]      
Stock-based compensation expense $ 0.7 $ 0.7