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Product Revenues, Accounts Receivable, and Reserves for Product Sales (Tables) | 3 Months Ended
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Mar. 31, 2024
Product Revenues Accounts Receivable And Reserves For Product Sales [Abstract] |
Schedule of Disaggregation of Product Revenue by Major Source | The table reflects product revenue by major source for the following periods (in thousands):
|  | Three Months Ended March31, |
|  | 2024 |  |  | 2023 |
Products: |  |  |  |  |  |
EMPAVELI |  | $ | 25,610 |  |  | $ | 20,440 |
SYFOVRE |  |  | 137,465 |  |  |  | 18,360 |
Total Product revenue, net |  | $ | 163,075 |  |  | $ | 38,800 |
Summary of Product Revenue Allowance and Reserve Categories | Th e following table summarizes activity in each of the product revenue allowance and reserve categories for the three months ended March 31, 2024 and 2023 (in thousands):
|  | Chargebacks, Discounts, and Fees |  |  | Government and other rebates |  |  | Returns |  |  | Total |
Ending balance at December 31, 2023 |  | $ | 5,674 |  |  | $ | 8,898 |  |  | $ | 2,053 |  |  |  | 16,625 |
Provision related to sales in the current year |  |  | 9,575 |  |  |  | 13,125 |  |  |  | 1,355 |  |  |  | 24,055 |
Adjustments related to prior period sales |  |  | 146 |  |  |  | (19 | ) |  |  | (96 | ) |  |  | 31 |
Credits and payments made |  |  | (9,724 | ) |  |  | (9,906 | ) |  |  | (1,859 | ) |  |  | (21,489 | )
Ending balance at March 31, 2024 |  | $ | 5,671 |  |  | $ | 12,098 |  |  | $ | 1,453 |  |  | $ | 19,222 |
|  | Chargebacks, Discounts, and Fees |  |  | Government and other rebates |  |  | Returns |  |  | Total |
Ending balance at December 31, 2022 |  | $ | 164 |  |  | $ | 1,936 |  |  | $ | 251 |  |  |  | 2,351 |
Provision related to sales in the current year |  |  | 1,466 |  |  |  | 2,566 |  |  | 651 |  |  |  | 4,683 |
Adjustments related to prior period sales |  |  | — |  |  |  | (2 | ) |  |  | (249 | ) |  |  | (251 | )
Credits and payments made |  |  | (184 | ) |  |  | (1,639 | ) |  |  | — |  |  |  | (1,823 | )
Ending balance at March 31, 2023 |  | $ | 1,446 |  |  | $ | 2,861 |  |  | $ | 653 |  |  | $ | 4,960 |
Schedule of Customer Accounted for 10% of More of Gross Product Revenues and Accounts Receivable | Significant customers - Gross product revenues and product sales receivable from the Company's customers who individually accounted for 10% of more of total gross product revenues and/or 10% or more of total product sales receivable consisted of the following:
|  | Percent of Total Gross Product Revenues
|  | Three Months Ended March31,
|  | 2024 |  | 2023
Customer A |  | 15% |  | 52%
Customer C |  | 19% |  | 9%
Customer D |  | 59% |  | 33%
|  | Percent of Product Sales Receivable
|  | As of March 31,
|  | 2024 |  | 2023
Customer A |  | 3% |  | 25%
Customer C |  | 21% |  | 15%
Customer D |  | 67% |  | 52%

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- Definition Product revenues, accounts receivable, and reserves for product sales. + References No definition available. + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 + Details
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- Definition Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer. + References No definition available. + Details
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