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Stock-Based Compensation, Stock Options (Details) - Stock Options [Member] - USD ($)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Number of Shares under Option Plan [Abstract]    
Outstanding at beginning of period (in shares) 772,864 447,462
Granted (in shares) 70,000 454,504
Forfeited and expired (in shares) (321,138) (129,102)
Outstanding at end of period (in shares) 521,726 772,864
Exercisable at end of period (in shares) 208,671  
Vested and expected to vest (in shares) 521,726  
Weighted Average Exercise Price per Option [Abstract]    
Outstanding at beginning of period (in dollars per share) $ 11.07 $ 17.2
Granted (in dollars per share) 3.22 6.31
Forfeited and expired (in dollars per share) 14.07 15.59
Outstanding at end of period (in dollars per share) 8.16 $ 11.07
Exercisable at end of period (in dollars per share) 12.21  
Vested and expected to vest (in dollars per share) $ 8.16  
Weighted Average Remaining Contractual Term [Abstract]    
Outstanding 7 years 10 months 17 days 6 years 8 months 12 days
Exercisable 6 years 3 months 25 days  
Vested and expected to vest 7 years 10 months 17 days  
Weighted-average grant date fair value (in dollars per share) $ 2.27 $ 4.43
Unrecognized compensation expense $ 1,000,000  
Unrecognized compensation expense, weighted average period 2 years 4 months 9 days  
Aggregate intrinsic value of options outstanding $ 8,000 $ 100,000
Aggregate intrinsic value of options exercisable 0 0
Aggregate intrinsic value of options exercised $ 0 $ 0
Expiration period 10 years