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Fair Value Measurements - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Fair Value Measurements
Total	$ 1,358	$ 4,396
Level 1 [Member]
Fair Value Measurements
Total	1,152	1,505
Level 2 [Member]
Fair Value Measurements
Total	206	2,891
Level 3 [Member]
Fair Value Measurements
Total	0	0
Mutual Funds [Member]
Fair Value Measurements
Total	1,152	1,505
Mutual Funds [Member] | Level 1 [Member]
Fair Value Measurements
Total	1,152	1,505
Mutual Funds [Member] | Level 2 [Member]
Fair Value Measurements
Total	0	0
Mutual Funds [Member] | Level 3 [Member]
Fair Value Measurements
Total	0	0
US Treasury securities [Member]
Fair Value Measurements
Total		1,803
US Treasury securities [Member] | Level 1 [Member]
Fair Value Measurements
Total		0
US Treasury securities [Member] | Level 2 [Member]
Fair Value Measurements
Total		1,803
US Treasury securities [Member] | Level 3 [Member]
Fair Value Measurements
Total		0
Certificates of Deposit [Member]
Fair Value Measurements
Total	206	103
Certificates of Deposit [Member] | Level 1 [Member]
Fair Value Measurements
Total	0	0
Certificates of Deposit [Member] | Level 2 [Member]
Fair Value Measurements
Total	206	103
Certificates of Deposit [Member] | Level 3 [Member]
Fair Value Measurements
Total	$ 0	0
Corporate debt securities [Member]
Fair Value Measurements
Total		985
Corporate debt securities [Member] | Level 1 [Member]
Fair Value Measurements
Total		0
Corporate debt securities [Member] | Level 2 [Member]
Fair Value Measurements
Total		985
Corporate debt securities [Member] | Level 3 [Member]
Fair Value Measurements
Total		$ 0

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Amount of investment in marketable security.

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