Note 6 - Leases - Additional Lease Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) ft²	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) ft²	Sep. 30, 2022 USD ($)
Operating lease cost | $	$ 797	$ 792	$ 1,941	$ 1,955
Short-term lease cost | $	28	154	348	478
Total lease cost | $	825	946	2,289	2,433
Cash paid for amounts included in the measurement of operating lease liabilities | $	967	977	2,433	2,461
Right-of-use assets obtained in exchange for new operating lease liabilities | $	$ 843	$ 287	$ 2,156	$ 2,669
Weighted average remaining lease term - operating leases (in years) (Year)	6 years 8 months 12 days	8 years 2 months 12 days	6 years 8 months 12 days	8 years 2 months 12 days
Weighted average discount rate - operating leases	5.15%	4.93%	5.15%	4.93%
Americas [Member] | Principal Worldwide Executive, Distribution, and Manufacturing Operations Facilities [Member]
Burlington, MA (5) (Square Foot)	109,354		109,354
Americas [Member] | North Brunswick, New Jersey [Member]
Burlington, MA (5) (Square Foot)	16,732		16,732
Americas [Member] | Fox River Grove, Illinois [Member]
Burlington, MA (5) (Square Foot)	11,765		11,765
Americas [Member] | Vaughn, Canada Lease [Member]
Burlington, MA (5) (Square Foot)	3,192		3,192
Americas [Member] | Chandler, Arizona Lease [Member]
Burlington, MA (5) (Square Foot)	2,058		2,058
EMEA [Member] | International Operations Headquarter Facility [Member]
Burlington, MA (5) (Square Foot)	21,410		21,410
EMEA [Member] | Milan, Italy Lease [Member]
Burlington, MA (5) (Square Foot)	5,705		5,705
EMEA [Member] | Hereford, England [Member]
Burlington, MA (5) (Square Foot)	3,575		3,575
EMEA [Member] | Madrid, Spain Lease [Member]
Burlington, MA (5) (Square Foot)	2,260		2,260
Asia Pacific [Member] | International Operations Headquarter Facility [Member]
Burlington, MA (5) (Square Foot)	1,270		1,270
Asia Pacific [Member] | Tokyo, Japan Lease [Member]
Burlington, MA (5) (Square Foot)	4,236		4,236
Asia Pacific [Member] | Bangkok, Thailand Lease [Member]
Burlington, MA (5) (Square Foot)	2,810		2,810
Asia Pacific [Member] | Seoul, Korea Lease [Member]
Burlington, MA (5) (Square Foot)	2,300		2,300
Asia Pacific [Member] | Shanghai, China Lease [Member]
Burlington, MA (5) (Square Foot)	1,152		1,152
Asia Pacific [Member] | Victoria, Australia Lease [Member]
Burlington, MA (5) (Square Foot)	350		350