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Supplementary Balance Sheet Information (Tables)

3 Months Ended

Mar. 31, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Investments Available-for-sale

Investments available for sale consist of the following:

			As of March 31, 2023
(in thousands)			Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Market Value
Maturity less than 1 year:
Certificate of deposit			$	13,964					$	1					$	(40)					$	13,925
Corporate debt securities			22,258						4						(118)						22,144
Commercial paper			10,402						3						(7)						10,398
U.S. government agencies			4,049						4						—						4,053
Total maturity less than 1 year			50,673						12						(165)						50,520
Maturity 1 to 2 years:
Corporate debt securities			10,687						24						(27)						10,684
U.S. government agencies			3,781						8						—						3,789
U.S. treasury securities			16,886						72						—						16,958
Total maturity 1 to 2 years			31,354						104						(27)						31,431
Total short-term investments			$	82,027					$	116					$	(192)					$	81,951

			As of December 31, 2022
(in thousands)			Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Market Value
Maturity less than 1 year:
Certificate of deposit			$	16,101					$	3					$	(81)					$	16,023
Corporate debt securities			44,806						8						(275)						44,539
Commercial paper			13,203						4						(20)						13,187
Non U.S. government			2,284						4						—						2,288
U.S. treasury securities			7,905						—						(18)						7,887
Total maturity less than 1 year			84,299						19						(394)						83,924
Maturity 1 to 2 years:
Corporate debt securities			5,016						1						(21)						4,996
Total maturity 1 to 2 years			5,016						1						(21)						4,996
Total short-term investments			$	89,315					$	20					$	(415)					$	88,920

Investments Available-for-sale in a Continuous Unrealized Loss Position

Investments available for sale that have been in a continuous unrealized loss position for greater than one-year consist of the following:

			As of March 31, 2023
(in thousands)			Fair Market Value						Gross Unrealized Loss
Corporate debt securities			$	8,151					$	(58)

Schedule of Components of Property and Equipment

Property and equipment consist of the following:

 

(in thousands)			As of March 31, 2023						As of December 31, 2022
Furniture and office equipment			$	1,066					$	1,066
Leasehold improvements			2,560						2,560
Laboratory equipment			1,153						1,056
			4,779						4,682
Less—accumulated depreciation and amortization			(3,459)						(3,413)
Property and equipment, net			$	1,320					$	1,269

Schedule of Accrued Liabilities

Accrued liabilities consisted of the following:

(in thousands)			As of March 31, 2023						As of December 31, 2022
Accrued compensation			$	983					$	1,849
Clinical trials			2,709						2,333
Research agreements and services			571						509
Director fees			125						125
Patent, license and other fees			59						24
Other accrued liabilities			108						337
Total accrued liabilities			$	4,555					$	5,177

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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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-URI https://asc.fasb.org/topic&trid=2196928

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

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