Note 10 - Leases (Details Textual) $ in Thousands	Dec. 31, 2021 USD ($) ft²
Additional Number of Leases	3
Operating Lease, Weighted Average Remaining Lease Term (Year)	2 years 3 months 18 days
Operating Lease, Weighted Average Discount Rate, Percent	4.52%
Three Year Equipment Lease [Member]
Lessee, Operating Lease, Term of Contract (Year)	3 years
Lessee, Operating Lease, Not Yet Commenced, Amount \| $	$ 64
Minimum [Member]
Lessee, Operating Lease, Remaining Lease Term (Year)	2 months 12 days
Maximum [Member]
Lessee, Operating Lease, Remaining Lease Term (Year)	3 years 3 months 18 days
Office Building [Member] \| Gallarate Italy [Member]
Area of Real Estate Property (Square Foot)	1,335
Office Building [Member] \| Aurora Illinois [Member]]
Area of Real Estate Property (Square Foot)	11,000
Office Building [Member] \| Overland Park [Member]
Area of Real Estate Property (Square Foot)	600

Additional Number Of Leases

No definition available.

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- Definition

The value of operating leases of lessee, not yet commenced.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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- Definition

Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

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Period Type:	instant

- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Details

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- Details

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