Note 8 - Property, Plant and Equipment - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Property, plant and equipment, gross	$ 41,554	$ 40,702
Less: accumulated depreciation	(30,116)	(28,751)
Accumulated amortization on equipment under finance leases	(1,330)	(1,199)
Total accumulated depreciation	(31,446)	(29,950)
Property, plant and equipment before currency translation effect, net	10,108	10,752
Currency translation effect	(1,627)	(1,221)
Property, plant and equipment, net	8,481	9,531
Building and Building Improvements [Member]
Property, plant, and equipment, gross	$ 5,190	5,141
Building and Building Improvements [Member] \| Minimum [Member]
Useful life (Year)	3 years
Building and Building Improvements [Member] \| Maximum [Member]
Useful life (Year)	20 years
Leasehold Improvements [Member]
Property, plant, and equipment, gross	$ 6,545	6,174
Leasehold Improvements [Member] \| Minimum [Member]
Useful life (Year)	3 years
Leasehold Improvements [Member] \| Maximum [Member]
Useful life (Year)	27 years
Machinery and Equipment [Member]
Property, plant, and equipment, gross	$ 27,172	26,804
Machinery and Equipment [Member] \| Minimum [Member]
Useful life (Year)	3 years
Machinery and Equipment [Member] \| Maximum [Member]
Useful life (Year)	7 years
Furniture and Fixtures [Member]
Property, plant, and equipment, gross	$ 1,234	1,170
Furniture and Fixtures [Member] \| Minimum [Member]
Useful life (Year)	3 years
Furniture and Fixtures [Member] \| Maximum [Member]
Useful life (Year)	5 years
Equipment Under Finance Lease [Member]
Equipment under finance leases	$ 1,413	$ 1,413
Equipment Under Finance Lease [Member] \| Minimum [Member]
Useful life (Year)	3 years
Equipment Under Finance Lease [Member] \| Maximum [Member]
Useful life (Year)	5 years

The monetary effect derived from currency translation.

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The amount of property, plant, and equipment after accumulated depreciation and before currency translation.

+ References

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of accumulated amortization of right-of-use asset from finance lease.

+ References

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-Name Accounting Standards Codification
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Amount, before accumulated amortization, of right-of-use asset from finance lease.

+ References

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Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

+ References

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Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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