Liquidity and Capital Resources (Details) $ in Thousands			1 Months Ended	6 Months Ended	12 Months Ended
	Dec. 15, 2023 USD ($)	Jul. 14, 2023 USD ($)	Jan. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($)	Apr. 30, 2023 USD ($)	Apr. 05, 2023 USD ($)	Oct. 31, 2022 USD ($) ft²
Liquidity and Capital Resources [Abstract]
Cash				$ 7,575	$ 7,575	$ 11,446
Accumulated deficit				(186,981)	(186,981)	(165,297)
Net loss					(21,668)	(24,579)
Net cash used in operating activities					(20,408)	(20,976)
New Facility Lease [Abstract]
Area of premises | ft²									45,500
Letter of credit									$ 4,100
Restricted cash				4,100	4,100				$ 4,100
Private Placement Offerings [Abstract]
Proceeds received from the convertible notes financings	$ 7,788	$ 8,715			$ 16,503	$ 0
Convertible Notes [Member]
Private Placement Offerings [Abstract]
Proceeds received from the convertible notes financings				$ 16,500
Convertible Notes [Member] | Subsequent Event [Member]
Private Placement Offerings [Abstract]
Proceeds received from the convertible notes financings			$ 1,400
Lincoln Park [Member]
New Facility Lease [Abstract]
Common stock shares issued and sold (in shares) | shares					214,000
Gross proceeds from sale of equity					$ 300
Lincoln Park [Member] | Maximum [Member]
New Facility Lease [Abstract]
Aggregate gross purchase price							$ 10,000	$ 10,000