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Marketable Securities

9 Months Ended

Sep. 30, 2024

Marketable Securities

Marketable Securities

7. Marketable Securities

​

Available-for-sale debt securities were classified on the Condensed Consolidated Balance Sheets at fair value as follows:

​

​	​	​	​	​	​	​
​	​	​		​	​
​		September 30, 2024		​	December 31, 2023
Cash and cash equivalents	​	$	—	​	$	4,729
Marketable securities	​	​	80,997	​	​	71,601
Total	​	$	80,997	​	$	76,330

​

The following table summarizes the available-for-sale securities held as of September 30, 2024 and December 31, 2023:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Gross

​

Gross

​

​

​

September 30, 2024

​

Amortized Cost

Unrealized Gains

Unrealized Losses

​

Fair Value

Corporate debt securities

​

$

65,242

​

$

390

​

$

(11)

​

$

65,621

U.S. Treasury securities

​

​

4,585

​

​

1

​

​

—

​

​

4,586

Government-sponsored securities

​

​

6,820

​

​

8

​

​

—

​

​

6,828

Commercial paper

​

​

3,957

​

​

5

​

​

—

​

​

3,962

Total

​

$

80,604

​

$

404

​

$

(11)

​

$

80,997

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31, 2023

​

​

​

​

​

​

​

​

​

​

​

​

Corporate debt securities

​

$

41,610

​

$

47

​

$

(45)

​

$

41,612

U.S. Treasury securities

​

​

30,189

​

​

8

​

​

—

​

​

30,197

Government-sponsored securities

​

​

4,517

​

​

4

​

​

—

​

​

4,521

Total

​

$

76,316

​

$

59

​

$

(45)

​

$

76,330

​

​

The following table summarizes the contractual maturities of available-for-sale securities other than investments in money market funds as of September 30, 2024 and December 31, 2023:

​

​	​	​	​	​	​	​
​	​	​		​	​
​		September 30, 2024		​	December 31, 2023
Matures within one year	​	$	42,392	​	$	61,672
Matures after one year through five years	​	​	38,605	​	​	14,658
Total	​	$	80,997	​	$	76,330

​

The unrealized losses on the Company’s available-for-sale securities were immaterial as of September 30, 2024 and December 31, 2023. In addition, there were no sales of marketable securities during the three and nine months ended September 30, 2024. Net unrealized holding gains or losses for the period that have been included in accumulated other comprehensive loss were not material to the Company’s Condensed Consolidated Statements of Operations.

​

The Company did not record any allowances for credit losses to adjust the fair value of available-for-sale debt securities during the three and nine months ended September 30, 2024. The Company reviews its investments for other-than-temporary impairment whenever the fair value of an investment is less than amortized cost and evidence indicates that an investment’s carrying amount is not recoverable within a reasonable period of time. To determine whether an impairment is other-than-temporary, the Company considers whether it has the ability and intent to hold the investment until a market price recovery and considers whether evidence indicating the cost of the investment is recoverable outweighs evidence to the contrary. The Company generally does not intend to sell any investments prior to recovery of their amortized cost basis for any investment in an unrealized loss position. As such, the Company did not hold any securities with other-than-temporary impairment as of September 30, 2024 and December 31, 2023.

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- References

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- Definition

The entire disclosure for investments in certain debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 940
-SubTopic 320
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/940-320/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1403
-Paragraph b
-Publisher SEC

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/320/tableOfContent

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-10

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-6B

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6B
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-6B

Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 320
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/942-320/tableOfContent

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