Product Revenues, Accounts Receivable, and Reserves for Product Sales - Schedule of Customer Accounted for 10% of More of Gross Product Revenues and Accounts Receivable (Detail) - Customer Concentration Risk |
3 Months Ended | |
|---|---|---|
Mar. 31, 2023 |
Mar. 31, 2022 |
|
| Gross Product Revenues [Member] | Customer A [Member] | ||
| Revenue, Major Customer [Line Items] | ||
| Concentration risk | 52.00% | 98.00% |
| Gross Product Revenues [Member] | Customer D [Member] | ||
| Revenue, Major Customer [Line Items] | ||
| Concentration risk | 33.00% | |
| Product Sales Receivable [Member] | Customer A [Member] | ||
| Revenue, Major Customer [Line Items] | ||
| Concentration risk | 25.00% | 18.00% |
| Product Sales Receivable [Member] | Customer C [Member] | ||
| Revenue, Major Customer [Line Items] | ||
| Concentration risk | 15.00% | |
| Product Sales Receivable [Member] | Customer D [Member] | ||
| Revenue, Major Customer [Line Items] | ||
| Concentration risk | 52.00% | |