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Note 14 - Income Taxes (Details Textual) $ in Thousands	12 Months Ended
	Jun. 30, 2022 USD ($)
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 6,000
Unrecognized Tax Benefits, Ending Balance	0
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards	12,100
State and Local Jurisdiction [Member] | Alaska Department of Revenue [Member]
Operating Loss Carryforwards	$ 9,700

X

- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
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X

- Definition

Amount of unrecognized tax benefits.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
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- Definition

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+ References

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-SubTopic 10
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