Note 3 - Restricted Cash (Details Textual) |
Mar. 31, 2026
USD ($)
|
Feb. 23, 2026
USD ($)
Advance
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Dec. 31, 2025
USD ($)
|
Sep. 22, 2025
USD ($)
Advance
|
Jun. 18, 2025
USD ($)
Advance
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Aug. 27, 2024
USD ($)
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|---|---|---|---|---|---|---|
| Restricted Cash and Cash Equivalents Items [Line Items] | ||||||
| Restricted cash | $ 3,085,000 | $ 3,161,000 | ||||
| Hanmi Loan Agreement [Member] | ||||||
| Restricted Cash and Cash Equivalents Items [Line Items] | ||||||
| Loan agreement amount | $ 10,000,000 | |||||
| Hanmi Facility Agreement [Member] | ||||||
| Restricted Cash and Cash Equivalents Items [Line Items] | ||||||
| Restricted cash | $ 3,100,000 | $ 0 | ||||
| Loan agreement amount | $ 11,100,000 | $ 11,900,000 | $ 8,500,000 | |||
| Maximum number of advances | Advance | 6 | 8 | 5 | |||
| Maximum amount available under single advance | $ 2,000,000 | $ 2,000,000 | $ 2,500,000 | |||
| Minimum amount available under single advance | $ 500,000 | $ 500,000 |
| X | ||||||||||
- Definition Maximum amount available under single advance. No definition available.
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| X | ||||||||||
- Definition Maximum number of advances. No definition available.
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- Definition Minimum amount available under single advance. No definition available.
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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- Details
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