Cash and Cash Equivalents and Investments (Details 1) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Fair Value
Debt Securities, Available-for-Sale, Current	$ 117,369
Cash and Cash Equivalents
Fair Value
Gross Unrealized Gains		$ 0
Gross Unrealized Losses		(1)
Estimated Fair Value		64,065
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	0
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	0
Debt Securities, Available-for-Sale, Amortized Cost, Current	18,834	64,066
Debt Securities, Available-for-Sale, Current	18,834
U.S. Treasury Securities
Fair Value
Estimated Fair Value		7,561
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	385	1
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	0	0
Debt Securities, Available-for-Sale, Amortized Cost, Current	97,984	7,562
Debt Securities, Available-for-Sale, Current	97,599
Total Short-term Investments
Fair Value
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	492	9
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	1	0
Debt Securities, Available-for-Sale, Amortized Cost, Current	117,860	22,687
Debt Securities, Available-for-Sale, Current	117,369	22,678
Total Cash and Cash Equivalents and Investments
Fair Value
Gross Unrealized Gains		0
Gross Unrealized Losses		(10)
Estimated Fair Value		86,743
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	492
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	1
Debt Securities, Available-for-Sale, Amortized Cost, Current	136,694	86,753
Debt Securities, Available-for-Sale, Current	136,203
Corporate Debt Securities
Fair Value
Estimated Fair Value		15,117
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	107	8
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax	1	0
Debt Securities, Available-for-Sale, Amortized Cost, Current	19,876	$ 15,125
Debt Securities, Available-for-Sale, Current	$ 19,770

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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