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FAIR VALUE MEASUREMENT AND FINANCIAL INSTRUMENTS (Tables) | 12 Months Ended
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Dec. 31, 2022
Fair Value Disclosures [Abstract] |
Schedule of Carrying Amounts and Fair Values of Financial Instruments Measured | The following tables set forth the carrying amounts and fair values of the Company's financial instruments measured at fair value on a recurring basis as of December 31, 2022 and 2021 (in thousands):
| December 31, 2022
|  |  |  |  | Fair Value Measurement Based on
| Carrying Amount |  | Fair Value |  | Quoted Prices in Active Markets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Assets: |  |  |  |  |  |  |  |  |
Cash equivalents: |  |  |  |  |  |  |  |  |
Money market funds | $ | 76,728 |  |  | $ | 76,728 |  |  | $ | 76,728 |  |  | $ | — |  |  | $ | — |
Marketable securities: |  |  |  |  |  |  |  |  |
US government securities | $ | 49,431 |  |  | $ | 49,431 |  |  | $ | — |  |  | $ | 49,431 |  |  | $ | — |
US treasury securities | $ | 4,935 |  |  | $ | 4,935 |  |  | $ | — |  |  | $ | 4,935 |  |  | $ | — |
| December 31, 2021
|  |  |  |  | Fair Value Measurement Based on
| Carrying Amount |  | Fair Value |  | Quoted Prices in Active Markets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Assets: |  |  |  |  |  |  |  |  |
Money market funds (cash equivalents) | $ | 16,382 |  |  | $ | 16,382 |  |  | $ | 16,382 |  |  | $ | — |  |  | $ | — |
Liabilities: |  |  |  |  |  |  |  |  |
Contingent consideration - long term | $ | 52,000 |  |  | $ | 52,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 52,000 |
Schedule of Contingent Consideration Liability | The following table sets forth a summary of the change in the fair value of the Company's total contingent consideration liability, measured on a recurring basis at each reporting period, for the year ended December 31, 2022.
Balance at December 31, 2021 | $ | 52,000 |
Change in fair value of contingent consideration - long term | (52,000) |
Balance at December 31, 2022 | $ | — |

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- Definition Tabular disclosure of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset) using recurring unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19279-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, 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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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