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Note 11 - Income Taxes (Details Textual) $ in Thousands | 12 Months Ended
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Jun. 30, 2021 USD ($)
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ (7,000)
Unrecognized Tax Benefits, Ending Balance | 0
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] |
Operating Loss Carryforwards, Total | 16,800
State and Local Jurisdiction [Member] | Alaska Department of Revenue [Member] |
Operating Loss Carryforwards, Total | $ 10,100

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319 + Details
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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