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Concentration of credit risk (Tables) | 3 Months Ended
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Mar. 31, 2019
Concentration of credit risk |
Schedule of concentration of credit risk related to collaborative partners | In December 2018, we entered into a research collaboration and licensing agreement with Innovent Biologics, Inc. (“Innovent”). The concentration of credit risk related to our collaborative partners is as follows:
|  | Percentage of Total |
|  | Milestone and Contract Revenues for the |
|  | Three Months Ended |
|  | March 31, |
|  | 2019 |  | 2018 |  |
Collaboration Partner A |  | — | % | — | % |
Collaboration Partner B |  | — | % | — | % |
Collaboration Partner C |  | 100 | % | — | % |
Schedule of concentration of credit risk related to specialty pharmacy customers | The concentration of credit risk related to our JAKAFI product revenues is as follows:
|  | Percentage of Total Net |
|  | Product Revenues for the |
|  | Three Months Ended |
|  | March 31, |
|  | 2019 |  | 2018 |  |
Customer A |  | 18 | % | 22 | % |
Customer B |  | 15 | % | 13 | % |
Customer C |  | 16 | % | 14 | % |
Customer D |  | 12 | % | 11 | % |

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- Definition Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark, related to the collaborative partners. + References No definition available. + Details
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- Definition Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark, related to the specialty pharmaceutical customers. + References No definition available. + Details
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- References No definition available. + Details
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