Note 10 - Share Capital (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
May 05, 2020 |
|
| Proceeds from Issuance of Common Stock | $ 29 | $ 0 | $ 29 | $ 0 | |
| The 2020 ATM Offering [Member] | |||||
| Stock Issuance Program, Authorized Amount | $ 75,000 | ||||
| Stock Issued During Period, Shares, New Issues (in shares) | 28,038 | 0 | |||
| Shares Issued, Price Per Share (in dollars per share) | $ 1.06 | $ 1.06 | |||
| Proceeds from Issuance of Common Stock, Gross | $ 30 | $ 67 | |||
| Proceeds from Issuance of Common Stock | $ 29 | $ 65 | |||
| Stock Issuance, Percent of Cash Commission to Broker | 3.00% | 3.00% | |||
| X | ||||||||||
- Definition The gross amount of cash inflow received from the issuance of common stock, before stock issuance costs. No definition available.
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| X | ||||||||||
- Definition The percent of cash commission payable to the broker of a stock issuance. No definition available.
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| X | ||||||||||
- Definition Amount of stock issuance plan authorized. No definition available.
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| X | ||||||||||
- Definition The cash inflow from the additional capital contribution to the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Per share or per unit amount of equity securities issued. No definition available.
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| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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