Stock-Based Compensation, Components of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Stock-Based Compensation Expense [Abstract]
Total stock-based compensation expense	$ 2,867	$ 2,076
Research and Development [Member]
Stock-Based Compensation Expense [Abstract]
Total stock-based compensation expense	810	420
General and Administrative [Member]
Stock-Based Compensation Expense [Abstract]
Total stock-based compensation expense	$ 2,057	$ 1,656