Stock Based Compensation - Stock Compensation Expense (Details) - USD ($)		3 Months Ended		6 Months Ended
	Apr. 18, 2023	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
2019 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		$ 411,000	$ 31,000	$ 442,000	$ (1,000)
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		411,000	31,000	442,000	62,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		31,000	31,000	62,000	(1,000)
Stock Options | 2019 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		31,000	31,000	62,000	(1,000)
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	$ 380,000	$ 0	$ 380,000	$ 0