Note 1 - Business and Basis of Presentation (Details Textual) $ in Thousands |
3 Months Ended | 6 Months Ended | |||||
|---|---|---|---|---|---|---|---|
|
May 04, 2026
USD ($)
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Oct. 31, 2022
USD ($)
|
Jul. 18, 2014
USD ($)
|
|
| Number of Subsidiaries | 1 | ||||||
| Upfront License Fee | $ 7,000 | ||||||
| Milestone Payments Maximum Amount | $ 287,300 | $ 187,500 | |||||
| Net Income (Loss) Attributable to Parent | $ 8,189 | $ 5,855 | $ 4,436 | $ 8,829 | |||
| Cash Provided by (Used in) Operating Activity, Including Discontinued Operation | 17,040 | 17,694 | |||||
| Cash, Cash Equivalents, and Marketable Securities | $ 93,900 | 93,900 | |||||
| Repayments of Debt | $ 22,230 | $ 22,220 | |||||
| Note Purchase Agreement [Member] | |||||||
| Repayments of Debt | $ 11,500 | ||||||
| Long-Term Debt | $ 0 | ||||||
| X | ||||||||||
- Definition The value of cash, cash equivalents and marketable securities. No definition available.
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| X | ||||||||||
- Definition Represents maximum amount of milestone payments. No definition available.
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| X | ||||||||||
- Definition Represents number of subsidiaries. No definition available.
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| X | ||||||||||
- Definition Amount of upfront license fee. No definition available.
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| X | ||||||||||
- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from operating activity, including, but not limited to, discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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