XML 36 R26.htm IDEA: XBRL DOCUMENT
v3.25.3

Supplemental Financial Data (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Supplemental Financial Data [Abstract] |
Inventories | Our inventories consisted of the following (in thousands):
|  | September 30, 2025 |  |  |  | December 31, 2024 |
Raw materials | $ | 424 |  |  | $ | 5,557 |
Work in process |  | 26,139 |  |  |  | 6,679 |
Finished goods |  | 549 |  |  | $ | 276 |
Total | $ | 27,112 |  |  |  | 12,512 |
Reported as: |  |  |  |  |  |  |
Inventories | $ | 10,470 |  |  | $ | 12,512 |
Deposits and other assets |  | 16,642 |  |  |  | - |
Total | $ | 27,112 |  |  | $ | 12,512 |
Accrued Liabilities | Our accrued liabilities consisted of the following (in thousands):
|  | September 30, 2025 |  |  |  | December 31, 2024 |
Clinical expenses | $ | 54,842 |  |  | $ | 77,436 |
In-licensing expenses |  | 7,770 |  |  |  | 7,951 |
Commercial expenses |  | 15,017 |  |  |  | 3,589 |
Other miscellaneous expenses |  | 21,681 |  |  |  | 19,462 |
Total accrued liabilities | $ | 99,310 |  |  | $ | 108,438 |

X
- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process, and inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle including inventoried costs relating to long-term contracts or programs. + References No definition available. + Details
Name: | ions_ScheduleOfInventoryCurrentAndNoncurrentTableTextBlock
Namespace Prefix: | ions_
Data Type: | dtr:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ions_SupplementalFinancialDataAbstract
Namespace Prefix: | ions_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration