Note 2 - Basis of Presentation, Principles of Consolidation, and Significant Accounting Policies (Details Textual) $ / shares in Units, $ in Thousands, shares in Millions |
12 Months Ended | |||
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Mar. 22, 2024
$ / shares
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Mar. 21, 2024 |
Dec. 31, 2023
USD ($)
$ / shares
shares
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Dec. 31, 2022
USD ($)
$ / shares
shares
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Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares | $ 0.001 | $ 0.001 | ||
Number of Operating Segments | 1 | |||
Retained Earnings (Accumulated Deficit) | $ (131,604) | $ (101,835) | ||
Cash | $ 23,600 | |||
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares | 0.5 | 0.4 | ||
AUSTRALIA | ||||
Cash | $ 300 | |||
General and Administrative Expense [Member] | ||||
Legal Fees | $ 1,500 | $ 2,400 | ||
Subsequent Event [Member] | ||||
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares | $ 0.001 | |||
Reverse Stock Split [Member] | Subsequent Event [Member] | ||||
Stockholders' Equity Note, Stock Split, Conversion Ratio | 15 | 15 |
X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Face amount or stated value per share of common stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- 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://fasb.org/us-gaap/role/ref/legacyRef
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