Stock Based Compensation - Stock Compensation Expense (Details) - USD ($)		12 Months Ended
	Apr. 18, 2023	Dec. 31, 2023	Dec. 31, 2022
2019 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		$ 504,000	$ 61,000
Research and Development | 2019 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		0	(64,000)
General & Administrative | 2019 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		504,000	125,000
Outstanding stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense			61,000
Outstanding stock options | 2019 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		124,000	61,000
Outstanding stock options | Research and Development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense			(64,000)
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		380,000	0
RSUs | 2019 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense	$ 380,000	$ 380,000	$ 0