Stock-Based Compensation, Stock Options (Details) - Stock Options [Member] - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Number of Shares under Option Plan [Abstract]
Outstanding at beginning period (in shares)	772,864
Granted (in shares)	50,000
Forfeited and expired (in shares)	(321,138)
Outstanding at end of period (in shares)	501,726
Exercisable at end of period (in shares)	158,362
Vested and expected to vest (in shares)	501,726
Weighted-Average Exercise Price per Option [Abstract]
Outstanding at beginning of period (in dollars per share)	$ 11.07
Granted (in dollars per share)	3.24
Forfeited and expired (in dollars per share)	14.07
Outstanding at end of period (in dollars per share)	8.36
Exercisable at end of period (in dollars per share)	14.47
Vested and expected to vest (in dollars per share)	$ 8.36
Weighted-Average Remaining Contractual Term [Abstract]
Outstanding	8 years 1 month 6 days
Exercisable	5 years 9 months 18 days
Vested and expected to vest	8 years 1 month 6 days
Unrecognized compensation expense	$ 1,122
Unrecognized compensation expense, weighted average period	2 years 8 months 12 days
Intrinsic value of options exercisable	$ 0	$ 0
Intrinsic value of options outstanding	$ 2	$ 0