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Note 10 - 2020 Cash Incentive Bonus Plan (Details Textual) - Cash Incentive Bonus Plan [Member] $ in Thousands		1 Months Ended	9 Months Ended
	Mar. 16, 2023 USD ($)	Nov. 07, 2023 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2021 USD ($)	Oct. 31, 2020 USD ($)
Cash Bonus Incentive, Incremental Amounts	14			11
Performance Plan, Minimum Number of Days Valuation Milestone Must be Achieved and Maintained (Day)	20 days
Percentage Valuation Milestone Cash Bonus Award Subject to Approval and Adjustment	67.00%
Cash Incentive Bonus Award					$ 6,500
Share-Based Payment Arrangement, Expense, after Tax			$ 0
Subsequent Event [Member]
Payments for Cash Incentive Bonus		$ 0
Minimum [Member]
Performance Plan, Valuation Milestone Amount	$ 200,000			$ 74,900
Cash Incentive Bonus Award, Exceeds Maximum	111,400
Maximum [Member]
Performance Plan, Valuation Milestone Amount	5,000,000			$ 202,300
Cash Incentive Bonus Award, Exceeds Maximum	$ 289,700

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- Definition

The number of incremental amounts for cash bonus incentive.

+ References

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+ Details

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- Definition

Amount of cash incentive bonus award.

+ References

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+ Details

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- Definition

Amount of cash incentive bonus award if the maximum milestone is exceeded.

+ References

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+ Details

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- Definition

Amount of payments for cash incentive bonus.

+ References

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- Definition

the percentage of valuation milestone cash bonus award subject to approval and adjustment.

+ References

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+ Details

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- Definition

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- Definition

Amount of valuation milestone for performance plan.

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- Definition

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