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Concentration of credit risk and current expected credit losses (Tables) | 3 Months Ended
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Mar. 31, 2020
Concentration of credit risk and current expected credit losses |
Schedule of concentration of credit risk related to specialty pharmacy customers | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Percentage of Total Net | ​
​ | ​ | Product Revenues for the | ​
​ | ​ | Three Months Ended | ​
​ | ​ | March 31, | ​
​ |  | 2020 |  | 2019 |  |
Customer A |  | 19 | % | 18 | % | ​
Customer B |  | 13 | % | 15 | % | ​
Customer C |  | 18 | % | 16 | % | ​
Customer D |  | 11 | % | 12 | % | ​

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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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