Note 8 - Convertible Notes Payable (Details Textual) $ / shares in Units, $ in Thousands |
Jun. 30, 2023
USD ($)
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Dec. 31, 2022
USD ($)
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Nov. 20, 2015
USD ($)
$ / shares
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|---|---|---|---|
| Convertible Notes Payable | $ 198 | $ 198 | |
| Accrued interest payable | 154 | 203 | |
| Convertible Notes Payable [Member] | |||
| Debt Instrument, Number of Trustees | 5 | ||
| Convertible Notes Payable | $ 198 | ||
| Debt Instrument, Interest Rate, Stated Percentage | 10.00% | ||
| Debt Instrument, Convertible, Conversion Price | $ / shares | $ 1.331 | ||
| Accrued interest payable | $ 154 | $ 141 |
| X | ||||||||||
- Definition Number of trustees at the reporting date. No definition available.
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| X | ||||||||||
- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The price per share of the conversion feature embedded in the debt instrument. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of interest payable on debt, including, but not limited to, trade payables. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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