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Fair Value Measurements - Available For Sale (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair value of available for sale marketable securities
Amortized Cost	$ 12,069	$ 29,195
Gross Unrealized Gains		4
Gross Unrealized Losses	(6)	(55)
Fair Value	12,063	29,144
U.S. Treasury securities
Fair value of available for sale marketable securities
Amortized Cost	6,936	22,020
Gross Unrealized Gains		4
Gross Unrealized Losses	(3)	(23)
Fair Value	6,933	22,001
U.S. Government agency securities
Fair value of available for sale marketable securities
Amortized Cost	5,133	7,175
Gross Unrealized Losses	(3)	(32)
Fair Value	$ 5,130	$ 7,143

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- Definition

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).

+ References

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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).

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