Stock Based Compensation - Stock Compensation Expense (Details) - USD ($)		3 Months Ended		9 Months Ended
	Apr. 18, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
2019 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		$ 31,000	$ 31,000	$ 473,000	$ 30,000
Research and Development | 2019 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		0	0	0	(63,000)
General & Administrative | 2019 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		31,000	31,000	473,000	93,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		31,000	31,000	93,000	30,000
Stock Options | 2019 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		31,000	31,000	93,000	30,000
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		0	0	0	0
RSUs | 2019 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense	$ 380,000	$ 0	$ 0	$ 380,000	$ 0