Property and Equipment, net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 7,834		$ 7,834		$ 7,769
Less: accumulated depreciation	(6,821)		(6,821)		(6,601)
Property and equipment, net	1,013		1,013		1,168
Depreciation expense	100	$ 200	200	$ 400
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,525		$ 1,525		1,525
Estimated Useful Life (years)	7 years		7 years
Office equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,077		$ 1,077		1,077
Estimated Useful Life (years)	3 years		3 years
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 4,077		$ 4,077		4,012
Estimated Useful Life (years)	7 years		7 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,155		$ 1,155		$ 1,155
Estimated Useful Life (years)	2 years		2 years