Note 4 - Restricted Cash and Restricted Cash Equivalents (Details Textual) |
Dec. 31, 2025
USD ($)
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Sep. 22, 2025
USD ($)
Advance
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Jun. 18, 2025
USD ($)
Advance
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Dec. 31, 2024
USD ($)
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Aug. 27, 2024
USD ($)
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| Restricted Cash and Cash Equivalents Items [Line Items] | |||||
| Restricted cash | $ 3,200,000 | $ 0 | |||
| Restricted cash equivalents | 0 | 600,000 | |||
| Restricted cash and restricted cash equivalents | $ 3,161,000 | $ 555,000 | |||
| 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] | |||||
| Loan agreement amount | $ 11,900,000 | $ 8,500,000 | |||
| Maximum number of advances | Advance | 8 | 5 | |||
| Maximum amount available under single advance | $ 2,000,000 | $ 2,500,000 | |||
| Minimum amount available under single advance | $ 500,000 |
| X | ||||||||||
- Definition Maximum amount available under single advance. No definition available.
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- 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 Amount of cash and cash equivalent restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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- Definition Amount of cash equivalent restricted as to withdrawal or usage. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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- Details
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