XML 37 R27.htm IDEA: XBRL DOCUMENT
v3.24.1.1.u2

Available-for-Sale Marketable Securities (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2024
Available-for-Sale Marketable Securities |
Summary of Available-for-Sale Marketable Securities by Major Type of Security | As of March 31, 2024
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Gross Unrealized | ​ | Estimated Fair
Type of Security |  | Amortized Cost |  | Gains |  | Losses |  | Value
U.S. Treasury securities | ​ | $ | 13,468 | ​ | $ | — | ​ | $ | (1) | ​ | $ | 13,467
U.S. government agency obligations | ​ |  | 7,500 | ​ |  | — | ​ |  | (190) | ​ |  | 7,310
Corporate bonds | ​ |  | 2,000 | ​ |  | — | ​ |  | — | ​ |  | 2,000
Total available-for-sale marketable securities | ​ | $ | 22,968 | ​ | $ | — | ​ | $ | (191) | ​ | $ | 22,777
​ As of December 31, 2023
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Gross Unrealized | ​ | Estimated Fair
Type of Security |  | Amortized Cost |  | Gains |  | Losses |  | Value
U.S. Treasury securities | ​ | $ | 37,243 | ​ | $ | 3 | ​ | $ | — | ​ | $ | 37,246
U.S. government agency obligations | ​ |  | 7,500 | ​ |  | — | ​ |  | (262) | ​ |  | 7,238
Corporate bonds | ​ |  | 4,500 | ​ |  | — | ​ |  | (1) | ​ |  | 4,499
Total available-for-sale marketable securities | ​ | $ | 49,243 | ​ | $ | 3 | ​ | $ | (263) | ​ | $ | 48,983
Schedule of Fair Values and Continuous Unrealized Loss Positions of Available-for-Sale Marketable Securities | As of March 31, 2024
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less than 12 Months | ​ | 12 Months or Greater | ​ | Total
​ | ​ | ​ | ​ | ​ | Gross | ​ | ​ | ​ | ​ | Gross | ​ | ​ | ​ | ​ | Gross
​ | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized
​ |  | Value |  | Losses |  | Value |  | Losses |  | Value |  | Losses
U.S. Treasury securities | ​ | $ | 13,467 | ​ | $ | (1) | ​ | $ | — | ​ | $ | — | ​ | $ | 13,467 | ​ | $ | (1)
U.S. government agency obligations | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 7,310 | ​ | ​ | (190) | ​ | ​ | 7,310 | ​ | ​ | (190)
Total | ​ | $ | 13,467 | ​ | $ | (1) | ​ | $ | 7,310 | ​ | $ | (190) | ​ | $ | 20,777 | ​ | $ | (191)
​ As of December 31, 2023
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less than 12 Months | ​ | 12 Months or Greater | ​ | Total
​ | ​ | ​ | ​ | ​ | Gross | ​ | ​ | ​ | ​ | Gross | ​ | ​ | ​ | ​ | Gross
​ | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized | ​ | Fair | ​ | Unrealized
​ |  | Value |  | Losses |  | Value |  | Losses |  | Value |  | Losses
U.S. government agency obligations | ​ | $ | — | ​ | $ | — | ​ | $ | 7,238 | ​ | $ | (262) | ​ | $ | 7,238 | ​ | $ | (262)
Corporate bonds | ​ |  | — | ​ |  | — | ​ |  | 2,000 | ​ |  | (1) | ​ |  | 2,000 | ​ |  | (1)
Total | ​ | $ | — | ​ | $ | — | ​ | $ | 9,238 | ​ | $ | (263) | ​ | $ | 9,238 | ​ | $ | (263)
Schedule of Amortized Cost and Fair Values of Marketable Debt Securities by Contractual Maturity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of March 31, 2024 | ​ | As of December 31, 2023
Contractual maturity |  | Amortized Cost |  | Fair Value |  | Amortized Cost |  | Fair Value
Less than one year | ​ | $ | 22,968 | ​ | $ | 22,777 | ​ | $ | 49,243 | ​ | $ | 48,983
More than one year | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | —
Total | ​ | $ | 22,968 | ​ | $ | 22,777 | ​ | $ | 49,243 | ​ | $ | 48,983

X
- Definition Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-6 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-4 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration