Fair Value Measurements (Details 1) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair Value
Cash and cash equivalents	$ 21,116	$ 46,345
Short-term investments	197,311	92,012
Total cash and cash equivalents and investments	218,427	138,357
Level 1
Fair Value
Cash and cash equivalents	21,116	46,345
Short-term investments	191,439	73,680
Total cash and cash equivalents and investments	212,555	120,025
Level 2
Fair Value
Cash and cash equivalents	0	0
Short-term investments	5,872	18,332
Total cash and cash equivalents and investments	5,872	18,332
Level 3
Fair Value
Cash and cash equivalents	0	0
Short-term investments	0	0
Total cash and cash equivalents and investments	$ 0	$ 0