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Segment Information (Tables) | 6 Months Ended
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Jun. 30, 2016
Segment Reporting [Abstract] |
Schedule of reportable business segment information | Reportable business segment information is as follows (dollar amounts in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2016 |  | 2015 |  | 2016 |  | 2015
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |
NSP Americas | $ | 44,725 |  |  | $ | 45,050 |  |  | $ | 89,908 |  |  | $ | 91,560 |
NSP Russia, Central and Eastern Europe | 6,269 |  |  | 6,815 |  |  | 12,621 |  |  | 14,258 |
Synergy WorldWide | 33,013 |  |  | 28,480 |  |  | 62,861 |  |  | 57,248 |
China and New Markets | 5,359 |  |  | 902 |  |  | 6,378 |  |  | 2,059 |
Total net sales revenue | 89,366 |  |  | 81,247 |  |  | 171,768 |  |  | 165,125 |
Contribution margin (1): |  |  |  |  |  |  |  |  |  |  |
NSP Americas | 19,103 |  |  | 19,027 |  |  | 38,020 |  |  | 38,547 |
NSP Russia, Central and Eastern Europe | 2,065 |  |  | 2,314 |  |  | 4,246 |  |  | 4,910 |
Synergy WorldWide | 10,245 |  |  | 8,820 |  |  | 19,184 |  |  | 17,868 |
China and New Markets | 4,084 |  |  | 415 |  |  | 4,552 |  |  | 911 |
Total contribution margin | 35,497 |  |  | 30,576 |  |  | 66,002 |  |  | 62,236 |
Selling, general and administrative (2) | 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 |
_________________________________________ (1) Contribution margin consists of net sales revenue less cost of sales and volume incentives expense. For the China and New Markets segment, contribution margin does not includes services fees related to pre-opening product sales through Hong Kong. (2) Service fees in the China and New Markets segment related to pre-opening product sales through Hong Kong totaled $2.0 million for the three and six month periods ended June 30, 2016, and $0.0 million for the three and six month periods ended June 30, 2015. These service fees are included in selling, general and administrative expense.
Schedule of consolidated net sales revenue by geographical locations | From an individual country perspective, only the United States and South Korea comprise 10 percent or more of consolidated net sales revenue for the three and six-month periods ended June 30, 2016 and 2015, as follows (dollar amounts in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2016 |  | 2015 |  | 2016 |  | 2015
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |
United States | $ | 37,598 |  |  | $ | 37,054 |  |  | $ | 75,893 |  |  | $ | 75,576 |
South Korea | 15,473 |  |  | 12,070 |  |  | 28,671 |  |  | 24,150 |
Other | 36,295 |  |  | 32,123 |  |  | 67,204 |  |  | 65,399 |
| $ | 89,366 |  |  | $ | 81,247 |  |  | $ | 171,768 |  |  | $ | 165,125 |
Schedule of revenue generated by each of the Company's product lines | Revenue generated by each of the Company’s product lines is set forth below (dollar amounts in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2016 |  | 2015 |  | 2016 |  | 2015
NSP Americas: |  |  |  |  |  |  |  |  |  |  |
General health | $ | 20,234 |  |  | $ | 19,456 |  |  | $ | 39,851 |  |  | $ | 39,488 |
Immune | 3,738 |  |  | 5,038 |  |  | 9,314 |  |  | 11,255 |
Cardiovascular | 3,418 |  |  | 3,543 |  |  | 6,530 |  |  | 6,644 |
Digestive | 11,845 |  |  | 13,263 |  |  | 24,924 |  |  | 26,628 |
Personal care | 2,853 |  |  | 870 |  |  | 3,783 |  |  | 1,840 |
Weight management | 2,637 |  |  | 2,880 |  |  | 5,506 |  |  | 5,705 |
| 44,725 |  |  | 45,050 |  |  | 89,908 |  |  | 91,560 |
NSP Russia, Eastern and Central Europe: |  |  |  |  |  |  |  |  |  |  |
General health | $ | 2,501 |  |  | $ | 2,799 |  |  | $ | 5,224 |  |  | $ | 5,678 |
Immune | 857 |  |  | 763 |  |  | 1,397 |  |  | 1,676 |
Cardiovascular | 493 |  |  | 446 |  |  | 970 |  |  | 899 |
Digestive | 1,407 |  |  | 1,852 |  |  | 3,528 |  |  | 3,822 |
Personal care | 853 |  |  | 627 |  |  | 1,102 |  |  | 1,509 |
Weight management | 158 |  |  | 328 |  |  | 400 |  |  | 674 |
| 6,269 |  |  | 6,815 |  |  | 12,621 |  |  | 14,258 |
Synergy WorldWide: |  |  |  |  |  |  |  |  |  |  |
General health | $ | 9,694 |  |  | $ | 7,645 |  |  | $ | 18,334 |  |  | $ | 15,347 |
Immune | 41 |  |  | 84 |  |  | 250 |  |  | 277 |
Cardiovascular | 13,505 |  |  | 12,411 |  |  | 26,198 |  |  | 25,067 |
Digestive | 3,442 |  |  | 2,374 |  |  | 5,929 |  |  | 4,668 |
Personal care | 1,948 |  |  | 1,732 |  |  | 3,887 |  |  | 3,562 |
Weight management | 4,383 |  |  | 4,234 |  |  | 8,263 |  |  | 8,327 |
| 33,013 |  |  | 28,480 |  |  | 62,861 |  |  | 57,248 |
China and New Markets: |  |  |  |  |  |  |  |  |  |  |
General health | $ | 1,537 |  |  | $ | 426 |  |  | $ | 2,008 |  |  | $ | 957 |
Immune | 216 |  |  | 103 |  |  | 347 |  |  | 261 |
Cardiovascular | 1,450 |  |  | 73 |  |  | 1,523 |  |  | 154 |
Digestive | 1,262 |  |  | 225 |  |  | 1,522 |  |  | 515 |
Personal care | 439 |  |  | 19 |  |  | 461 |  |  | 46 |
Weight management | 455 |  |  | 56 |  |  | 517 |  |  | 126 |
| 5,359 |  |  | 902 |  |  | 6,378 |  |  | 2,059 |
| $ | 89,366 |  |  | $ | 81,247 |  |  | $ | 171,768 |  |  | $ | 165,125 |
Schedule of consolidated property, plant and equipment by geographical locations | From an individual country perspective, only the United States comprised 10 percent or more of consolidated property, plant and equipment as follows (dollar amounts in thousands):
| June 30, 2016 |  | December 31, 2015
Property, plant and equipment: |  |  |  |  |
United States | $ | 68,089 |  |  | $ | 66,044 |
Other | 2,334 |  |  | 2,684 |
Total property, plant and equipment | $ | 70,423 |  |  | $ | 68,728 |

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