Quarterly report [Sections 13 or 15(d)]

Segment Information - Schedule of Segment Information (Details)

v3.26.1
Segment Information - Schedule of Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Segment information      
Net sales $ 122,892 $ 113,248  
Cost of sales 32,915 31,651  
Volume incentives 36,893 34,844  
Selling, general and administrative 43,539 40,581  
Operating income 9,545 6,172  
Interest and other income, net 74 205  
Interest expense (35) (21)  
Foreign exchange gains (losses), net (1,429) 753  
Income from operations before provision for income taxes 8,155 7,109  
Depreciation and amortization:      
Total depreciation and amortization 3,224 3,499  
Property, plant and equipment      
Property, plant and equipment, net 31,413   $ 32,915
Operating Segments      
Segment information      
Net sales 122,892 113,248  
Operating income 23,096 18,637  
Depreciation and amortization:      
Total depreciation and amortization 3,224 3,499  
Unallocated corporate selling, general and administrative expense      
Segment information      
Selling, general and administrative (13,551) (12,465)  
General health | Operating Segments      
Segment information      
Net sales 49,070 45,924  
Immunity | Operating Segments      
Segment information      
Net sales 10,145 10,275  
Cardiovascular | Operating Segments      
Segment information      
Net sales 20,341 20,513  
Digestive | Operating Segments      
Segment information      
Net sales 32,499 27,530  
Personal care | Operating Segments      
Segment information      
Net sales 6,977 4,548  
Weight management | Operating Segments      
Segment information      
Net sales 3,860 4,458  
Asia | Operating Segments      
Segment information      
Net sales 52,183 48,653  
Cost of sales 10,993 10,895  
Volume incentives 16,683 16,369  
Selling, general and administrative 14,022 13,044  
Operating income 10,485 8,345  
Depreciation and amortization:      
Total depreciation and amortization 406 498  
Asia | General health | Operating Segments      
Segment information      
Net sales 18,409 18,251  
Asia | Immunity | Operating Segments      
Segment information      
Net sales 3,195 2,872  
Asia | Cardiovascular | Operating Segments      
Segment information      
Net sales 12,763 13,819  
Asia | Digestive | Operating Segments      
Segment information      
Net sales 12,088 9,642  
Asia | Personal care | Operating Segments      
Segment information      
Net sales 3,439 1,198  
Asia | Weight management | Operating Segments      
Segment information      
Net sales 2,289 2,871  
Europe | Operating Segments      
Segment information      
Net sales 26,395 24,114  
Cost of sales 7,363 7,148  
Volume incentives 10,628 9,652  
Selling, general and administrative 5,634 5,149  
Operating income 2,770 2,165  
Depreciation and amortization:      
Total depreciation and amortization 12 28  
Europe | General health | Operating Segments      
Segment information      
Net sales 11,645 10,496  
Europe | Immunity | Operating Segments      
Segment information      
Net sales 2,480 2,441  
Europe | Cardiovascular | Operating Segments      
Segment information      
Net sales 3,223 2,565  
Europe | Digestive | Operating Segments      
Segment information      
Net sales 6,871 6,372  
Europe | Personal care | Operating Segments      
Segment information      
Net sales 1,427 1,631  
Europe | Weight management | Operating Segments      
Segment information      
Net sales 749 609  
North America | Operating Segments      
Segment information      
Net sales 38,323 35,018  
Cost of sales 12,430 11,565  
Volume incentives 7,801 7,239  
Selling, general and administrative 8,974 8,474  
Operating income 9,118 7,740  
Depreciation and amortization:      
Total depreciation and amortization 2,795 2,962  
North America | General health | Operating Segments      
Segment information      
Net sales 17,186 15,599  
North America | Immunity | Operating Segments      
Segment information      
Net sales 3,954 4,444  
North America | Cardiovascular | Operating Segments      
Segment information      
Net sales 3,900 3,696  
North America | Digestive | Operating Segments      
Segment information      
Net sales 10,743 8,934  
North America | Personal care | Operating Segments      
Segment information      
Net sales 1,882 1,475  
North America | Weight management | Operating Segments      
Segment information      
Net sales 658 870  
Latin America and Other | Operating Segments      
Segment information      
Net sales 5,991 5,463  
Cost of sales 2,129 2,043  
Volume incentives 1,781 1,584  
Selling, general and administrative 1,358 1,449  
Operating income 723 387  
Depreciation and amortization:      
Total depreciation and amortization 11 11  
Latin America and Other | General health | Operating Segments      
Segment information      
Net sales 1,830 1,578  
Latin America and Other | Immunity | Operating Segments      
Segment information      
Net sales 516 518  
Latin America and Other | Cardiovascular | Operating Segments      
Segment information      
Net sales 455 433  
Latin America and Other | Digestive | Operating Segments      
Segment information      
Net sales 2,797 2,582  
Latin America and Other | Personal care | Operating Segments      
Segment information      
Net sales 229 244  
Latin America and Other | Weight management | Operating Segments      
Segment information      
Net sales 164 108  
China      
Segment information      
Selling, general and administrative 4,200 2,900  
United States      
Segment information      
Net sales 35,638 32,474  
Property, plant and equipment      
Property, plant and equipment, net 28,050   29,061
Taiwan      
Segment information      
Net sales 14,987 17,864  
Japan      
Segment information      
Net sales 12,445 11,025  
South Korea      
Segment information      
Net sales 12,230 10,781  
Other      
Segment information      
Net sales 47,592 $ 41,104  
Other      
Property, plant and equipment      
Property, plant and equipment, net $ 3,363   $ 3,854