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Note 11 - Income Taxes (Details Textual) - USD ($) | 12 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019
Deferred Tax Assets, Tax Credit Carryforwards, Research | $ 100,000 | $ 200,000
Oregon Net Operating Loss, Term (Year) | 4 years |
Deferred Tax Assets, Valuation Allowance, Total | $ 2,194,000 | 3,820,000
Deferred Tax Assets, Capital Loss Carryforwards |  | 2,555,000
Unrecognized Tax Benefits, Ending Balance | 500,000 | 600,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued | 300,000 | 200,000
Unrecognized Tax Benefits, Income Tax Penalties Accrued | 100,000 | 200,000
Reserve for Unrecognized Tax Benefits, Including Penalties and Interest | 900,000 | 1,000,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 500,000 | 600,000
Unrecognized Tax Benefits, Period Increase (Decrease), Total | 100,000 | 100,000
Unrecognized Tax Benefits, Interest on Income Taxes Expense | 0 | 14,000
Unrecognized Tax Benefits, Income Tax Penalties Expense | $ 13,000 | 7,000
Open Tax Year | 2017 2018 2019 2020 |
Research Tax Credit Carryforward [Member] |  |
Deferred Tax Assets, Research and Development Credits, Recognized During Period | $ 45,000 |
Domestic Tax Authority [Member] |  |
Deferred Tax Assets, Operating Loss Carryforwards, Domestic | 100,000 | 900,000
Domestic Tax Authority [Member] | Virticus [Member] |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration | $ 100,000 |
Operating Loss Carryforwards, Expiration Period (Year) | 3 years |
State and Local Jurisdiction [Member] |  |
Operating Loss Carryforwards and Tax Credit Carryforward | $ 2,400,000 | 2,400,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local, Recognized During Period | 100,000 |
State and Local Jurisdiction [Member] | Oregon State Tax [Member] |  |
Deferred Tax Assets, Operating Loss Carryforwards, State and Local | 100,000 | 100,000
State and Local Jurisdiction [Member] | New York State Division of Taxation and Finance [Member] |  |
Deferred Tax Assets, Operating Loss Carryforwards, State and Local | 2,100,000 | 2,100,000
Deferred Tax Assets, Valuation Allowance, Total | 2,100,000 | 2,100,000
Foreign Tax Authority [Member] | Canada Revenue Agency [Member] |  |
Deferred Tax Assets, Capital Loss Carryforwards |  | 10,700,000
Deferred Tax Assets, Operating Loss Carryforwards, Recognized During Period | 6,600,000 |
Deferred Tax Assets, Operating Loss Carryforwards, Expired During Period | 4,200,000 |
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount | $ (600,000) | $ (800,000)

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