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Note 2 - Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Retained Earnings (Accumulated Deficit)	$ (157,825)	$ (152,175)
Cash and Cash Equivalents, at Carrying Value	$ 4,930	$ 1,103
Cash, Percentage Held in One Financial Institution	99.00%
Cash, Uninsured Amount	$ 4,600

X

- Definition

Percentage of cash held in one financial institution.

+ References

No definition available.

+ Details

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X

- 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. Also includes 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. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

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X

- Definition

The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.

+ References

No definition available.

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X

- Definition

Amount of accumulated undistributed earnings (deficit).

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