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Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2023
Fair Value Disclosures [Abstract] |
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis | Our assets and liabilities that are measured at fair value on a recurring basis included the following (in thousands):
|  | Fair Value Measurement at September 30, 2023 Using: |
|  | Quoted Prices in Active Markets for Identical Assets |  |  | Significant Other Observable Inputs |  |  | Significant Unobservable Inputs |  |  | Total |
|  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |  |  |
Money market funds (included in cash and cash equivalents) |  | $ | 3,904 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,904 |
Marketable securities |  |  | 21,839 |  |  |  | — |  |  |  | — |  |  |  | 21,839 |
Note receivable |  |  | - |  |  |  | — |  |  |  | 2,695 |  |  |  | 2,695 |
Total assets |  | $ | 25,743 |  |  | $ | — |  |  | $ | 2,695 |  |  | $ | 28,438 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |
Contingent acquisition payment |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Total liabilities |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
|  | Fair Value Measurement at December 31, 2022 Using: |
|  | Quoted Prices in Active Markets for Identical Assets |  |  | Significant Other Observable Inputs |  |  | Significant Unobservable Inputs |  |  | Total |
|  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |  |  |
Money market funds (included in cash and cash equivalents) |  | $ | 10,967 |  |  | $ | — |  |  | $ | — |  |  | $ | 10,967 |
Marketable securities |  |  | 17,229 |  |  |  | — |  |  |  | — |  |  |  | 17,229 |
Note receivable |  |  | — |  |  |  | — |  |  |  | 2,601 |  |  |  | 2,601 |
Total assets |  | $ | 28,196 |  |  | $ | — |  |  | $ | 2,601 |  |  | $ | 30,797 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |
Contingent acquisition payment |  | $ | — |  |  | $ | — |  |  | $ | 812 |  |  | $ | 812 |
Total liabilities |  | $ | — |  |  | $ | — |  |  | $ | 812 |  |  | $ | 812 |
Summary of Marketable Securities by Security Type | Marketable securities by security type consisted of the following (in thousands):
|  | September 30, 2023: |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
U.S. Treasury notes and bonds |  | $ | 16,501 |  |  | $ | 80 |  |  | $ | (106 | ) |  | $ | 16,475 |
Corporate bonds |  |  | 5,386 |  |  |  | 4 |  |  |  | (26 | ) |  |  | 5,364 |
|  | $ | 21,887 |  |  | $ | 84 |  |  | $ | (132 | ) |  | $ | 21,839 |
|  | December 31, 2022: |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
U.S. Treasury notes and bonds |  | $ | 13,389 |  |  | $ | 24 |  |  | $ | (100 | ) |  | $ | 13,313 |
Corporate bonds |  |  | 3,950 |  |  |  | — |  |  |  | (34 | ) |  |  | 3,916 |
|  | $ | 17,339 |  |  | $ | 24 |  |  | $ | (134 | ) |  | $ | 17,229 |
Summary of Changes in Note Receivable | Changes in the Note receivable balance consisted of the following (in thousands):
|  | Nine Months Ended |
|  | September 30, 2023 |
Balance as of December 31, 2022 |  | $ | 2,601 |
Accrued interest |  |  | 94 |
Balance as of September 30, 2023 |  | $ | 2,695 |

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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