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Stock-Based Compensation, Stock Options (Details) - Stock Options [Member] - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Apr. 03, 2023
Dec. 31, 2023
Jun. 30, 2024
Jun. 30, 2023
Number of Shares under Option Plan [Abstract]        
Outstanding at beginning period (in shares)     772,864  
Granted (in shares)     10,000  
Forfeited and expired (in shares)     (252,514)  
Outstanding at end of period (in shares)   772,864 530,350  
Exercisable at end of period (in shares)     142,191  
Vested and expected to vest (in shares)     530,350  
Weighted-Average Exercise Price per Option [Abstract]        
Outstanding at beginning of period (in dollars per share)     $ 11.07  
Granted (in dollars per share)     5.35  
Forfeited and expired (in dollars per share)     15.38  
Outstanding at end of period (in dollars per share)   $ 11.07 8.9  
Exercisable at end of period (in dollars per share)     15.49  
Vested and expected to vest (in dollars per share)     $ 8.9  
Weighted-Average Remaining Contractual Term [Abstract]        
Outstanding     8 years 6 months  
Exercisable     6 years 7 months 6 days  
Vested and expected to vest     8 years 6 months  
Unrecognized compensation expense     $ 1,512  
Unrecognized compensation expense, weighted average period     2 years 8 months 12 days  
Intrinsic value of options outstanding     $ 0 $ 1
Intrinsic value of options exercisable     $ 0 $ 0
Chief Executive Officer [Member]        
Stock Option [Abstract]        
Stock-based options forfeited (in shares)   15,000    
Number of Shares under Option Plan [Abstract]        
Granted (in shares) 15,000