Note 4 - Restricted Cash Equivalents (Details Textual) - USD ($) |
Mar. 31, 2025 |
Dec. 31, 2024 |
Aug. 27, 2024 |
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| Restricted Cash and Cash Equivalents Items [Line Items] | |||
| Restricted cash equivalents | $ 0 | $ 600,000 | |
| Hanmi Loan Agreement [Member] | |||
| Restricted Cash and Cash Equivalents Items [Line Items] | |||
| Loan agreement amount | $ 10,000,000 |
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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 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 equivalents restricted as to withdrawal or usage. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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