The percent of the disposal group sold.

No definition available.

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Topic 740
-SubTopic 10
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+ Details

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
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+ Details

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Balance Type:	na
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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 217
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-Topic 740
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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Note 10 - Income Taxes (Details Textual) - USD ($)			3 Months Ended		9 Months Ended
Note 10 - Income Taxes (Details Textual) - USD ($)	Jan. 02, 2018	Jan. 01, 2018	Sep. 30, 2026	Sep. 30, 2025	Mar. 31, 2026	Jul. 31, 2026	Jun. 30, 2026
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			25.50%
Effective Income Tax Rate Reconciliation, Percent			(8.00%)	(3.00%)
Discontinued Operations, Disposed of by Sale [Member]
Disposal Group, Including Discontinued Operation, Percent Sold						100.00%
Latvian State Revenue Service [Member] \| ISP Optics Latvia [Member]
Effective Income Tax Rate Reconciliation, Percent	25.00%	20.00%
LPOIZ [Member] \| State Administration of Taxation, China [Member]
Effective Income Tax Rate Reconciliation, Percent					15.00%
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued							$ 32,000
Income Tax Jurisdiction, Domestic Federal [Member]
Unrecognized Tax Benefits			$ 0