Note 5 - Income Taxes (Details Textual) - USD ($)	3 Months Ended
Jun. 30, 2026	Jun. 30, 2025
Deferred Tax Assets, Valuation Allowance	$ 7,463,000
Income (Loss) from Continuing Operations before Income Taxes, Foreign	114,000	$ 178,000
Income Tax Jurisdiction, Domestic Federal [Member]
Operating Loss Carryforwards	$ 24,900,000
Percentage of Net Operation Loss Carry Forwards, Utilization Limit Against Taxable Income	80.00%
Open Tax Year	2018 2019 2020 2021 2022 2023 2024 2025
Income Tax Jurisdiction, Domestic State and Local [Member]
Operating Loss Carryforwards	$ 25,900,000
Open Tax Year	2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Percentage of net operation loss carry forwards utilization limit against taxable income.

No definition available.

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-10A

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

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- Definition

Tax year that remains open to examination under enacted tax laws, in YYYY format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15

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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://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-3

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