Note 1 - Organization and Basis of Presentation (Details Textual) $ / shares in Units, $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
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Sep. 26, 2025
$ / shares
|
Mar. 31, 2026
USD ($)
$ / shares
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Mar. 31, 2025
USD ($)
$ / shares
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Dec. 31, 2025
USD ($)
$ / shares
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May 14, 2024
USD ($)
|
|
| Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares | $ 0.001 | $ 0.001 | $ 0.001 | $ 0.001 | |
| Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation | $ 5,383 | $ 4,149 | |||
| Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | (21,253) | $ (20,370) | |||
| Working Capital | $ (19,100) | ||||
| Potential Financing Amount | $ 150,000 | ||||
| Roth Capital [Member] | |||||
| Sale of Stocks, Maximum Amount Authorized to Sell | $ 25,000 | ||||
| Reverse Stock Split [Member] | |||||
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 10 | ||||
| X | ||||||||||
- Definition Represents the amount of potential financing available from equity or debt issuances. No definition available.
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| X | ||||||||||
- Definition Maximum amount of shares authorized to sell. No definition available.
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| X | ||||||||||
- Definition Represents the amount of working capital. No definition available.
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| X | ||||||||||
- Definition Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. 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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| X | ||||||||||
- Definition Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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