Accounts Receivable - Additional Information (Detail) |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2022
USD ($)
Distributor
|
Dec. 31, 2021
Distributor
|
|
| Accounts Receivable [Line Items] | ||
| Number of wholesale distributors | Distributor | 3 | 3 |
| Percentage of gross sales from major wholesale distributors | 79.00% | 79.00% |
| Allowance for credit losses for accounts receivable | $ | $ 0 | |
| Percentage of revenue from major customers collaborations and services | 98.00% | |
| United Therapeutics Corporation | ||
| Accounts Receivable [Line Items] | ||
| Percentage of collaborations and services net accounts receivables | 100.00% | |
| Commercial product sales | ||
| Accounts Receivable [Line Items] | ||
| Percentage of accounts receivable from major wholesale distributors | 74.00% | 80.00% |