Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details)

v3.5.0.2
Segment Information (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2016
USD ($)
segment
Jun. 30, 2015
USD ($)
Dec. 31, 2015
USD ($)
Segment information          
Number of business segments | segment     4    
Number of operating segments | segment     3    
Net sales revenue:          
Total net sales revenue $ 89,366 $ 81,247 $ 171,768 $ 165,125  
Contribution margin:          
Total contribution margin 35,497 30,576 66,002 62,236  
Selling, general and administrative 31,249 27,392 59,634 53,722  
Operating income 4,248 3,184 6,368 8,514  
Other income (expense), net (622) (2) 937 (320)  
Income from continuing operations before provision for income taxes 3,626 3,182 7,305 8,194  
Property, plant and equipment          
Total property, plant and equipment 70,423   70,423   $ 68,728
United States          
Net sales revenue:          
Total net sales revenue 37,598 37,054 75,893 75,576  
Property, plant and equipment          
Total property, plant and equipment 68,089   68,089   66,044
Other          
Net sales revenue:          
Total net sales revenue 36,295 32,123 67,204 65,399  
Property, plant and equipment          
Total property, plant and equipment 2,334   2,334   $ 2,684
South Korea (Synergy)          
Net sales revenue:          
Total net sales revenue 15,473 12,070 28,671 24,150  
NSP Americas          
Net sales revenue:          
Total net sales revenue 44,725 45,050 89,908 91,560  
Contribution margin:          
Total contribution margin 19,103 19,027 38,020 38,547  
NSP Americas | General health          
Net sales revenue:          
Total net sales revenue 20,234 19,456 39,851 39,488  
NSP Americas | Immune          
Net sales revenue:          
Total net sales revenue 3,738 5,038 9,314 11,255  
NSP Americas | Cardiovascular          
Net sales revenue:          
Total net sales revenue 3,418 3,543 6,530 6,644  
NSP Americas | Digestive          
Net sales revenue:          
Total net sales revenue 11,845 13,263 24,924 26,628  
NSP Americas | Personal care          
Net sales revenue:          
Total net sales revenue 2,853 870 3,783 1,840  
NSP Americas | Weight management          
Net sales revenue:          
Total net sales revenue 2,637 2,880 5,506 5,705  
NSP Russia, Central and Eastern Europe          
Net sales revenue:          
Total net sales revenue 6,269 6,815 12,621 14,258  
Contribution margin:          
Total contribution margin 2,065 2,314 4,246 4,910  
NSP Russia, Central and Eastern Europe | General health          
Net sales revenue:          
Total net sales revenue 2,501 2,799 5,224 5,678  
NSP Russia, Central and Eastern Europe | Immune          
Net sales revenue:          
Total net sales revenue 857 763 1,397 1,676  
NSP Russia, Central and Eastern Europe | Cardiovascular          
Net sales revenue:          
Total net sales revenue 493 446 970 899  
NSP Russia, Central and Eastern Europe | Digestive          
Net sales revenue:          
Total net sales revenue 1,407 1,852 3,528 3,822  
NSP Russia, Central and Eastern Europe | Personal care          
Net sales revenue:          
Total net sales revenue 853 627 1,102 1,509  
NSP Russia, Central and Eastern Europe | Weight management          
Net sales revenue:          
Total net sales revenue 158 328 400 674  
Synergy WorldWide          
Net sales revenue:          
Total net sales revenue 33,013 28,480 62,861 57,248  
Contribution margin:          
Total contribution margin 10,245 8,820 19,184 17,868  
Synergy WorldWide | General health          
Net sales revenue:          
Total net sales revenue 9,694 7,645 18,334 15,347  
Synergy WorldWide | Immune          
Net sales revenue:          
Total net sales revenue 41 84 250 277  
Synergy WorldWide | Cardiovascular          
Net sales revenue:          
Total net sales revenue 13,505 12,411 26,198 25,067  
Synergy WorldWide | Digestive          
Net sales revenue:          
Total net sales revenue 3,442 2,374 5,929 4,668  
Synergy WorldWide | Personal care          
Net sales revenue:          
Total net sales revenue 1,948 1,732 3,887 3,562  
Synergy WorldWide | Weight management          
Net sales revenue:          
Total net sales revenue 4,383 4,234 8,263 8,327  
China and New Markets          
Net sales revenue:          
Total net sales revenue 5,359 902 6,378 2,059  
Contribution margin:          
Total contribution margin 4,084 415 4,552 911  
China and New Markets | General health          
Net sales revenue:          
Total net sales revenue 1,537 426 2,008 957  
China and New Markets | Immune          
Net sales revenue:          
Total net sales revenue 216 103 347 261  
China and New Markets | Cardiovascular          
Net sales revenue:          
Total net sales revenue 1,450 73 1,523 154  
China and New Markets | Digestive          
Net sales revenue:          
Total net sales revenue 1,262 225 1,522 515  
China and New Markets | Personal care          
Net sales revenue:          
Total net sales revenue 439 19 461 46  
China and New Markets | Weight management          
Net sales revenue:          
Total net sales revenue 455 56 517 126  
China and New Markets | Hong Kong          
Contribution margin:          
Selling, general and administrative $ 2,000 $ 0 $ 2,000 $ 0