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ORGANIZATION, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 6 Months Ended
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Jun. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Revenue from Strategic Partnering Collaboration Agreements and Research Activity Grants as a Percentage of Total Revenues | Revenues from collaboration and license agreements as a percentage of total revenues for the three and six months ended June 30, 2023 were as follows:
|  |  | Three Months Ended June 30, |  |  |  | Six Months Ended June 30,
|  |  | 2023 |  |  |  | 2023
Novartis Institutes for BioMedical Research, Inc. |  |  | 35 | % |  |  |  | 7 | %
Biogen MA, Inc. |  |  | 32 | % |  |  |  | 82 | %
Kite Pharma, Inc. |  |  | 18 | % |  |  |  | 8 | %
Other license agreements |  |  | 15 | % |  |  |  | 3 | %
Schedule of Cash and Cash Equivalents | A reconciliation of cash, cash equivalents, and restricted cash reported within the accompanying Condensed Consolidated Balance Sheets to the amounts reported within the accompanying Condensed Consolidated Statements of Cash Flows is as follows (in thousands):
| June 30, 2024 |  | December 31, 2023 |  | June 30, 2023 |  | December 31, 2022
Cash and cash equivalents | $ | 27,786 |  |  | $ | 45,204 |  |  | $ | 66,830 |  |  | $ | 100,444 |
Non-current restricted cash | — |  |  | 1,500 |  |  | 1,500 |  |  | 1,500 |
Cash, cash equivalents, and restricted cash as reported within the Condensed Consolidated Statements of Cash Flows | $ | 27,786 |  |  | $ | 46,704 |  |  | $ | 68,330 |  |  | $ | 101,944 |
Restrictions on Cash and Cash Equivalents | A reconciliation of cash, cash equivalents, and restricted cash reported within the accompanying Condensed Consolidated Balance Sheets to the amounts reported within the accompanying Condensed Consolidated Statements of Cash Flows is as follows (in thousands):
| June 30, 2024 |  | December 31, 2023 |  | June 30, 2023 |  | December 31, 2022
Cash and cash equivalents | $ | 27,786 |  |  | $ | 45,204 |  |  | $ | 66,830 |  |  | $ | 100,444 |
Non-current restricted cash | — |  |  | 1,500 |  |  | 1,500 |  |  | 1,500 |
Cash, cash equivalents, and restricted cash as reported within the Condensed Consolidated Statements of Cash Flows | $ | 27,786 |  |  | $ | 46,704 |  |  | $ | 68,330 |  |  | $ | 101,944 |

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