Organization (Details) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2023 USD ($) product	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Sep. 30, 2023 USD ($) segment product	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of commercial-stage products | product	3						3
Number of reportable segments | segment							1
Accumulated deficit	$ 416,170						$ 416,170		$ 399,995
Net loss	3,660	$ 5,020	$ 7,495	$ 6,577	$ 8,963	$ 7,091	16,175	$ 22,631
Cash and cash equivalents	60,473			$ 65,216			60,473	$ 65,216	$ 51,067
Short term investments	$ 65,100						$ 65,100