Stock-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Stock-Based Compensation Expense Items [Abstract]
Stock-based compensation expense	$ 101	$ 135	$ 374	$ 513
Additional Disclosures [Abstract]
Vesting period			48 months
Outstanding stock options (in shares)	3,890	3,101	3,890	3,101
Selling, General and Administrative Expense [Member]
Stock-Based Compensation Expense Items [Abstract]
Stock-based compensation expense	$ 99	$ 133	$ 363	$ 484
Research and Development Expense [Member]
Stock-Based Compensation Expense Items [Abstract]
Stock-based compensation expense	$ 2	$ 2	$ 11	$ 29
Stock Options [Member]
Additional Disclosures [Abstract]
Stock options granted (in shares)	0	532	1,264	3,544
Weighted average grant date fair value of stock options issued (in dollars per share)	$ 0	$ 62.65	$ 24.14	$ 226.26
Weighted Average Assumptions used in Black-Scholes Option Pricing Model [Abstract]
Expected volatility	138.70%	131.06%	138.70%	152.59%
Expected Life of options (years)	5 years 6 months 3 days	6 years 3 months	5 years 6 months 3 days	6 years 2 months 8 days
Expected dividend yield	0.00%	0.00%	0.00%	0.00%
Risk-free interest rate	3.94%	4.29%	3.94%	4.16%
Stock options vested (in shares)	420	69	1,767	129
Stock options expired or forfeited (in shares)	102	595	465	680
Exercise of stock options (in shares)	0	0	0	0