Marketable Securities - Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Marketable Securities
Amortized Cost	$ 18,078	$ 44,524
Unrealized gains	0	6
Unrealized losses	(51)	(167)
Fair value	18,027	44,363
Corporate Debt Securities
Marketable Securities
Amortized Cost	9,606	15,627
Unrealized gains	0	0
Unrealized losses	(51)	(167)
Fair value	9,555	15,460
Commercial Paper
Marketable Securities
Amortized Cost	6,486	14,999
Unrealized gains	0	0
Unrealized losses	0	0
Fair value	6,486	14,999
U.S. Government Debt Securities
Marketable Securities
Amortized Cost	1,986	13,898
Unrealized gains	0	6
Unrealized losses	0	0
Fair value	$ 1,986	$ 13,904

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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