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Revenue (Tables) | 6 Months Ended
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Jun. 30, 2025
Revenue |
Schedule of Net product revenue in United States, and Company's net revenue | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
​ | ​ | June 30, | ​ | June 30,
(in thousands) |  | 2025 | ​ | 2024 | ​ | 2025 |  | 2024
LOQTORZI | ​ | $ | 9,959 | ​ | $ | 3,789 | ​ | ​ | 17,307 | ​ | ​ | 5,777
Other revenue | ​ |  | 295 | ​ |  | 6,507 | ​ |  | 546 | ​ |  | 6,827
Total net revenue | ​ | $ | 10,254 | ​ | $ | 10,296 | ​ | $ | 17,853 | ​ | $ | 12,604
Schedule of Gross Revenues by Significant Customer as a Percentage of Total Gross Revenues | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months Ended | ​ | Six Months Ended |
​ | ​ | June 30, | ​ | June 30, | ​
​ | ​ | 2025 |  | ​ | 2024 | ​ | ​ | 2025 |  | ​ | 2024 |
McKesson Corporation |  | 44 | % | ​ | 44 | % | ​ | 45 | % | ​ | 39 | %
Cencora (previously known as AmeriSource-Bergen Corporation) |  | 39 | % | ​ | 45 | % | ​ | 37 | % | ​ | 44 | %
Cardinal Health, Inc. |  | 15 | % | ​ | 11 | % | ​ | 17 | % | ​ | 15 | %
Schedule of Activities and Ending Reserve Balances for Each Significant Category of Discounts and Allowances | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six Months Ended June 30, 2025
​ |  | Chargebacks |  | ​ | ​ |  | Other Fees, |  | ​ | ​
​ | ​ | and Discounts | ​ | ​ | ​ | ​ | Co-pay | ​ | ​ | ​
​ | ​ | for Prompt | ​ | ​ | ​ | ​ | Assistance | ​ | ​ | ​
(in thousands) | ​ | Payment | ​ | Rebates | ​ | and Returns | ​ | Total
Balances at December 31, 2024 | ​ | $ | 110,778 | ​ | $ | 123,738 | ​ | $ | 41,129 | ​ | $ | 275,645
Provision related to sales made in: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current period | ​ | ​ | 193,653 | ​ | ​ | 45,168 | ​ | ​ | 31,051 | ​ | ​ | 269,872
Prior period - increase (decrease) | ​ | ​ | (3,439) | ​ | ​ | (474) | ​ | ​ | (1,239) | ​ | ​ | (5,152)
Payments and customer credits issued | ​ |  | (295,912) | ​ | ​ | (91,372) | ​ | ​ | (51,187) | ​ | ​ | (438,471)
Balances at June 30, 2025 | ​ | $ | 5,080 | ​ | $ | 77,060 | ​ | $ | 19,754 | ​ | $ | 101,894
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six Months Ended June 30, 2024
​ |  | Chargebacks |  | ​ | ​ |  | Other Fees, |  | ​ | ​
​ | ​ | and Discounts | ​ | ​ | ​ | ​ | Co-pay | ​ | ​ | ​
​ | ​ | for Prompt | ​ | ​ | ​ | ​ | Assistance | ​ | ​ | ​
(in thousands) | ​ | Payment | ​ | Rebates | ​ | and Returns | ​ | Total
Balances at December 31, 2023 | ​ | $ | 73,953 | ​ | $ | 121,137 | ​ | $ | 49,795 | ​ | $ | 244,885
Provision related to sales made in: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current period | ​ |  | 486,139 | ​ | ​ | 109,615 | ​ | ​ | 80,252 | ​ | ​ | 676,006
Prior period - increase (decrease) | ​ | ​ | (816) | ​ | ​ | 6,145 | ​ | ​ | (1,263) | ​ | ​ | 4,066
Payments and customer credits issued | ​ |  | (485,633) | ​ |  | (105,986) | ​ |  | (82,240) | ​ |  | (673,859)
Balances at June 30, 2024 | ​ | $ | 73,643 | ​ | $ | 130,911 | ​ | $ | 46,544 | ​ | $ | 251,098
​

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