Note 7 - Investments (Details Textual) $ in Thousands |
1 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2026
USD ($)
|
Aug. 31, 2026
USD ($)
|
Sep. 30, 2026
USD ($)
|
Sep. 30, 2025
USD ($)
|
|
| Debt Securities, Available-for-Sale, Unrealized Loss Position | $ 5,000 | $ 5,000 | ||
| Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions | 1 | 1 | ||
| Payments to Acquire Other Investments | $ 4,000 | $ (0) | ||
| IntraGel Therapeutics Ltd. SAFE [Member] | ||||
| Payments to Acquire Other Investments | $ 3,000 | $ 1,000 | ||
| Other Investments | $ 4,000 | $ 4,000 | ||
| X | ||||||||||
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
|
| X | ||||||||||
- Definition Amount of investments classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of cash outflow to acquire investments classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|