Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details)

v3.7.0.1
Segment Information (Details)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
segment
Jun. 30, 2016
USD ($)
Dec. 31, 2016
USD ($)
Segment information          
Number of business segments | segment     4    
Number of operating segments | segment     3    
Net sales revenue:          
Total net sales revenue $ 81,344 $ 89,366 $ 164,442 $ 171,768  
Contribution margin:          
Total contribution margin 31,859 35,497 64,246 66,002  
Selling, general and administrative 31,836 31,249 62,172 59,634  
Operating income 23 4,248 2,074 6,368  
Other income (expense), net 441 (622) 1,716 937  
Income from continuing operations before provision for income taxes 464 3,626 3,790 7,305  
Property, plant and equipment          
Total property, plant and equipment 72,662   72,662   $ 73,272
United States          
Net sales revenue:          
Total net sales revenue 33,805 37,598 71,540 75,893  
Property, plant and equipment          
Total property, plant and equipment 69,876   69,876   70,770
South Korea (Synergy)          
Net sales revenue:          
Total net sales revenue 12,486 15,473 23,832 28,671  
Other          
Net sales revenue:          
Total net sales revenue 35,053 36,295 69,070 67,204  
Property, plant and equipment          
Total property, plant and equipment 2,786   2,786   $ 2,502
NSP Americas          
Net sales revenue:          
Total net sales revenue 39,421 44,725 84,066 89,908  
Contribution margin:          
Total contribution margin 16,495 19,103 35,690 38,020  
NSP Americas | General health          
Net sales revenue:          
Total net sales revenue 18,181 20,234 38,047 39,851  
NSP Americas | Immune          
Net sales revenue:          
Total net sales revenue 3,169 3,738 8,242 9,314  
NSP Americas | Cardiovascular          
Net sales revenue:          
Total net sales revenue 2,820 3,418 6,136 6,530  
NSP Americas | Digestive          
Net sales revenue:          
Total net sales revenue 11,660 11,845 23,808 24,924  
NSP Americas | Personal care          
Net sales revenue:          
Total net sales revenue 1,487 2,853 3,373 3,783  
NSP Americas | Weight management          
Net sales revenue:          
Total net sales revenue 2,104 2,637 4,460 5,506  
NSP Russia, Central and Eastern Europe          
Net sales revenue:          
Total net sales revenue 6,662 6,269 14,269 12,621  
Contribution margin:          
Total contribution margin 2,246 2,065 4,755 4,246  
NSP Russia, Central and Eastern Europe | General health          
Net sales revenue:          
Total net sales revenue 2,941 2,501 6,499 5,224  
NSP Russia, Central and Eastern Europe | Immune          
Net sales revenue:          
Total net sales revenue 638 857 1,401 1,397  
NSP Russia, Central and Eastern Europe | Cardiovascular          
Net sales revenue:          
Total net sales revenue 480 493 1,011 970  
NSP Russia, Central and Eastern Europe | Digestive          
Net sales revenue:          
Total net sales revenue 2,030 1,407 3,907 3,528  
NSP Russia, Central and Eastern Europe | Personal care          
Net sales revenue:          
Total net sales revenue 424 853 1,032 1,102  
NSP Russia, Central and Eastern Europe | Weight management          
Net sales revenue:          
Total net sales revenue 149 158 419 400  
Synergy WorldWide          
Net sales revenue:          
Total net sales revenue 30,363 33,013 57,676 62,861  
Contribution margin:          
Total contribution margin 9,410 10,245 17,609 19,184  
Synergy WorldWide | General health          
Net sales revenue:          
Total net sales revenue 7,624 9,694 14,311 18,334  
Synergy WorldWide | Immune          
Net sales revenue:          
Total net sales revenue 117 41 238 250  
Synergy WorldWide | Cardiovascular          
Net sales revenue:          
Total net sales revenue 12,603 13,505 23,706 26,198  
Synergy WorldWide | Digestive          
Net sales revenue:          
Total net sales revenue 4,154 3,442 7,619 5,929  
Synergy WorldWide | Personal care          
Net sales revenue:          
Total net sales revenue 1,926 1,948 3,993 3,887  
Synergy WorldWide | Weight management          
Net sales revenue:          
Total net sales revenue 3,939 4,383 7,809 8,263  
China and New Markets          
Net sales revenue:          
Total net sales revenue 4,898 5,359 8,431 6,378  
Contribution margin:          
Total contribution margin 3,708 4,084 6,192 4,552  
China and New Markets | General health          
Net sales revenue:          
Total net sales revenue 1,085 1,537 1,965 2,008  
China and New Markets | Immune          
Net sales revenue:          
Total net sales revenue 120 216 266 347  
China and New Markets | Cardiovascular          
Net sales revenue:          
Total net sales revenue 972 1,450 1,553 1,523  
China and New Markets | Digestive          
Net sales revenue:          
Total net sales revenue 1,813 1,262 3,455 1,522  
China and New Markets | Personal care          
Net sales revenue:          
Total net sales revenue 45 439 121 461  
China and New Markets | Weight management          
Net sales revenue:          
Total net sales revenue 863 455 1,071 517  
China and New Markets | Hong Kong          
Contribution margin:          
Selling, general and administrative $ 1,700 $ 2,000 $ 2,600 $ 2,000