Note 12 - Segment and Enterprise-wide Disclosures (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

	Year ended December 31,
	2023		2022		2021
	(in thousands)
United States	$	117,811	$	99,463	$	93,866
Germany		13,420		11,223		12,968
Canada		10,786		8,336		7,054
United Kingdom		8,561		5,841		5,046
Other countries		42,906		36,788		35,490
Net sales	$	193,484	$	161,651	$	154,424

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

	As of December 31,
	2023		2022
	(in thousands)
United States	$	34,729	$	29,042
Germany		2,350		2,462
Other countries		2,702		2,031
Total long-term assets	$	39,781	$	33,535