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Notes Payable (Narrative) (Details) - USD ($) $ in Thousands			3 Months Ended			6 Months Ended
	Apr. 11, 2023	Mar. 04, 2022	Jun. 30, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Interest expense			$ 2	$ 2,932		$ 3	$ 4,108
Amortization of debt discount						$ 0	118
Runway Debt Facility
Payoff amount of debt facility	$ 30,400
Interest rate during period					13.77%
Interest expense				$ 300			1,300
Amortization of debt discount							$ 100
Runway Debt Facility \| Minimum [Member]
Variable interest rate floor (as a percent)		9.25%
Runway Debt Facility \| Base Rate
Variable interest rate floor (as a percent)		8.75%
Runway Debt Facility \| Three month LIBOR
Variable interest rate floor (as a percent)		0.50%