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MAJOR CUSTOMERS, PARTNERSHIPS AND STRATEGIC ALLIANCES - (Tables) | 3 Months Ended
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Mar. 31, 2021
Kite Pharma, Inc. |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |
Revenues Recognized under Agreement | Revenues recognized under the agreement for the three months ended March 31, 2021 and 2020 were as follows (in thousands):
| Three Months Ended March 31,
| 2021 |  | 2020
Revenue related to Kite agreement: |  |  |
Recognition of license and stand-ready fee | $ | 6,159 |  |  | $ | 6,227 |
Research services | 129 |  |  | 992 |
Total | $ | 6,288 |  |  | $ | 7,219 |
Sanofi Genzyme |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |
Revenues Recognized under Agreement | Revenues recognized under the agreement for the three months ended March 31, 2021 and 2020 were as follows (in thousands):
| Three Months Ended March 31,
| 2021 |  | 2020
Revenue related to Sanofi agreement: |  |  |
Recognition of upfront fee | $ | 227 |  |  | $ | (729) |
Research services | 679 |  |  | 1,720 |
Milestone achievement | 154 |  |  | (492) |
Total | $ | 1,060 |  |  | $ | 499 |

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- Definition Tabular disclosure of collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 808 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6931272&loc=SL5834143-161434 + Details
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