Annual report [Section 13 and 15(d), not S-K Item 405]

BUSINESS SEGMENT AND INTERNATIONAL OPERATION INFORMATION (Details)

v3.25.0.1
BUSINESS SEGMENT AND INTERNATIONAL OPERATION INFORMATION (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Segment information    
Net sales $ 454,364 $ 445,320
Cost of sales 129,676 124,193
Volume incentives 140,589 135,320
Selling, general and administrative 164,004 167,058
Operating income 20,095 18,749
Interest and other income, net 177 552
Interest expense (146) (69)
Foreign exchange gains, net (1,700) 970
Income from operations before provision for income taxes 18,426 20,202
Depreciation and amortization:    
Total depreciation and amortization 14,219 11,816
Property, Plant and Equipment [Abstract]    
Property, Plant and Equipment, Net 39,585 45,000
Operating Segments    
Segment information    
Net sales 454,364 445,320
Operating income 70,987 70,245
Depreciation and amortization:    
Total depreciation and amortization 14,219 11,816
Unallocated corporate selling, general and administrative expense    
Segment information    
Selling, general and administrative (50,892) (51,496)
General health | Operating Segments    
Segment information    
Net sales 183,882 173,774
Immunity | Operating Segments    
Segment information    
Net sales 38,724 32,469
Cardiovascular | Operating Segments    
Segment information    
Net sales 81,700 83,591
Digestive | Operating Segments    
Segment information    
Net sales 111,744 103,866
Personal care | Operating Segments    
Segment information    
Net sales 17,803 18,301
Weight management | Operating Segments    
Segment information    
Net sales 20,511 33,319
Asia | Operating Segments    
Segment information    
Net sales 207,794 201,251
Cost of sales 48,557 45,373
Volume incentives 69,685 65,143
Selling, general and administrative 55,443 60,185
Operating income 34,109 30,550
Depreciation and amortization:    
Total depreciation and amortization 1,876 1,812
Asia | General health | Operating Segments    
Segment information    
Net sales 81,313 69,037
Asia | Immunity | Operating Segments    
Segment information    
Net sales 12,052 5,420
Asia | Cardiovascular | Operating Segments    
Segment information    
Net sales 56,266 57,771
Asia | Digestive | Operating Segments    
Segment information    
Net sales 38,958 36,434
Asia | Personal care | Operating Segments    
Segment information    
Net sales 5,032 5,586
Asia | Weight management | Operating Segments    
Segment information    
Net sales 14,173 27,003
Europe | Operating Segments    
Segment information    
Net sales 84,837 81,101
Cost of sales 27,836 25,397
Volume incentives 33,758 33,486
Selling, general and administrative 18,577 18,434
Operating income 4,666 3,784
Depreciation and amortization:    
Total depreciation and amortization 93 54
Europe | General health | Operating Segments    
Segment information    
Net sales 36,631 34,709
Europe | Immunity | Operating Segments    
Segment information    
Net sales 8,454 8,222
Europe | Cardiovascular | Operating Segments    
Segment information    
Net sales 9,265 9,143
Europe | Digestive | Operating Segments    
Segment information    
Net sales 22,748 22,111
Europe | Personal care | Operating Segments    
Segment information    
Net sales 5,397 4,977
Europe | Weight management | Operating Segments    
Segment information    
Net sales 2,342 1,939
North America | Operating Segments    
Segment information    
Net sales 138,849 139,804
Cost of sales 45,364 45,347
Volume incentives 29,773 29,392
Selling, general and administrative 32,793 30,655
Operating income 30,919 34,410
Depreciation and amortization:    
Total depreciation and amortization 12,204 9,890
North America | General health | Operating Segments    
Segment information    
Net sales 59,520 63,742
North America | Immunity | Operating Segments    
Segment information    
Net sales 15,802 16,124
North America | Cardiovascular | Operating Segments    
Segment information    
Net sales 14,443 14,959
North America | Digestive | Operating Segments    
Segment information    
Net sales 39,325 34,628
North America | Personal care | Operating Segments    
Segment information    
Net sales 6,241 6,476
North America | Weight management | Operating Segments    
Segment information    
Net sales 3,518 3,875
Latin America and Other | Operating Segments    
Segment information    
Net sales 22,884 23,164
Cost of sales 7,918 8,076
Volume incentives 7,374 7,299
Selling, general and administrative 6,299 6,288
Operating income 1,293 1,501
Depreciation and amortization:    
Total depreciation and amortization 46 60
Latin America and Other | General health | Operating Segments    
Segment information    
Net sales 6,418 6,286
Latin America and Other | Immunity | Operating Segments    
Segment information    
Net sales 2,416 2,703
Latin America and Other | Cardiovascular | Operating Segments    
Segment information    
Net sales 1,726 1,718
Latin America and Other | Digestive | Operating Segments    
Segment information    
Net sales 10,713 10,693
Latin America and Other | Personal care | Operating Segments    
Segment information    
Net sales 1,133 1,262
Latin America and Other | Weight management | Operating Segments    
Segment information    
Net sales 478 502
China    
Segment information    
Selling, general and administrative 14,500 16,600
United States    
Segment information    
Net sales 127,924 129,305
Property, Plant and Equipment [Abstract]    
Property, Plant and Equipment, Net 34,786 41,239
Taiwan    
Segment information    
Net sales 70,579 61,691
South Korea    
Segment information    
Net sales 51,362 49,845
Other    
Segment information    
Net sales 204,499 204,479
Property, Plant and Equipment [Abstract]    
Property, Plant and Equipment, Net $ 4,799 $ 3,761