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Short-term Investments (Tables)

9 Months Ended

Sep. 30, 2021

Short Term Investments [Abstract]

Summary of Short-term Investments

The following is a summary of our short-term investments (in thousands):

		September 30, 2021
						Gross				Gross
		Amortized				Unrealized				Unrealized				Estimated
		Cost				Gains				Losses				Fair Value
U.S. corporate debt securities		$	4,188			$	—			$	(2	)		$	4,186
Foreign corporate debt securities			6,079				—				(2	)			6,077
U.S. commercial paper			10,995				—				—				10,995
Foreign commercial paper			21,992				—				—				21,992
Total		$	43,254			$	—			$	(4	)		$	43,250

		December 31, 2020
						Gross				Gross
		Amortized				Unrealized				Unrealized				Estimated
		Cost				Gains				Losses				Fair Value
U.S. treasury bills and government agency obligations		$	20,110			$	166			$	—			$	20,276
U.S. corporate debt securities			11,505				42				—				11,547
Foreign corporate debt securities			15,508				49				—				15,557
U.S. commercial paper			13,997				—				—				13,997
Foreign commercial paper			41,976				—				—				41,976
Total		$	103,096			$	257			$	—			$	103,353

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- Definition

Tabular disclosure 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/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-URI http://asc.fasb.org/topic&trid=2196928

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- References

No definition available.

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