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OPERATING BUSINESS SEGMENT AND INTERNATIONAL OPERATION INFORMATION (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended | 9 Months Ended
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Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 item | Dec. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2014
Segment information |  |  |  |  |  |  |  |  |  |  |  |
Number of business segments |  |  |  |  |  |  |  |  | 4us-gaap_NumberOfReportableSegments |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue | $ 86,663us-gaap_SalesRevenueNet | $ 93,406us-gaap_SalesRevenueNet | $ 92,831us-gaap_SalesRevenueNet | $ 93,467us-gaap_SalesRevenueNet | $ 93,264us-gaap_SalesRevenueNet | $ 90,405us-gaap_SalesRevenueNet | $ 91,782us-gaap_SalesRevenueNet | $ 94,375us-gaap_SalesRevenueNet | $ 366,367us-gaap_SalesRevenueNet | $ 369,826us-gaap_SalesRevenueNet | $ 360,826us-gaap_SalesRevenueNet |
Contribution margin: |  |  |  |  |  |  |  |  |  |  |  |
Total contribution margin |  |  |  |  |  |  |  |  | 138,975natr_ContributionMargin | 141,966natr_ContributionMargin | 138,582natr_ContributionMargin |
Selling, general and administrative | 30,634us-gaap_SellingGeneralAndAdministrativeExpense | 30,200us-gaap_SellingGeneralAndAdministrativeExpense | 29,941us-gaap_SellingGeneralAndAdministrativeExpense | 29,152us-gaap_SellingGeneralAndAdministrativeExpense | 33,020us-gaap_SellingGeneralAndAdministrativeExpense | 27,773us-gaap_SellingGeneralAndAdministrativeExpense | 28,068us-gaap_SellingGeneralAndAdministrativeExpense | 29,522us-gaap_SellingGeneralAndAdministrativeExpense | 119,927us-gaap_SellingGeneralAndAdministrativeExpense | 118,383us-gaap_SellingGeneralAndAdministrativeExpense | 104,716us-gaap_SellingGeneralAndAdministrativeExpense |
Operating income | 834us-gaap_OperatingIncomeLoss | 5,546us-gaap_OperatingIncomeLoss | 5,827us-gaap_OperatingIncomeLoss | 6,841us-gaap_OperatingIncomeLoss | 2,340us-gaap_OperatingIncomeLoss | 6,512us-gaap_OperatingIncomeLoss | 7,801us-gaap_OperatingIncomeLoss | 6,930us-gaap_OperatingIncomeLoss | 19,048us-gaap_OperatingIncomeLoss | 23,583us-gaap_OperatingIncomeLoss | 33,866us-gaap_OperatingIncomeLoss |
Other income (expense) | 349us-gaap_OtherNonoperatingIncomeExpense | (42)us-gaap_OtherNonoperatingIncomeExpense | (79)us-gaap_OtherNonoperatingIncomeExpense | (262)us-gaap_OtherNonoperatingIncomeExpense | 249us-gaap_OtherNonoperatingIncomeExpense | (216)us-gaap_OtherNonoperatingIncomeExpense | 1,522us-gaap_OtherNonoperatingIncomeExpense | 438us-gaap_OtherNonoperatingIncomeExpense | (34)us-gaap_OtherNonoperatingIncomeExpense | 1,993us-gaap_OtherNonoperatingIncomeExpense | 1,573us-gaap_OtherNonoperatingIncomeExpense |
Income from continuing operations before provision for income taxes | 1,183us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 5,504us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 5,748us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 6,579us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 2,589us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 6,296us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 9,323us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 7,368us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 19,014us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 25,576us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 35,439us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments |
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |
Total capital expenditures |  |  |  |  |  |  |  |  | 26,910us-gaap_PaymentsToAcquireProductiveAssets | 8,556us-gaap_PaymentsToAcquireProductiveAssets | 6,779us-gaap_PaymentsToAcquireProductiveAssets |
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |  |
Total depreciation and amortization |  |  |  |  |  |  |  |  | 4,409us-gaap_DepreciationDepletionAndAmortization | 4,466us-gaap_DepreciationDepletionAndAmortization | 4,078us-gaap_DepreciationDepletionAndAmortization |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Total Assets | 196,799us-gaap_Assets |  |  |  | 199,612us-gaap_Assets |  |  |  | 196,799us-gaap_Assets | 199,612us-gaap_Assets |  |
Property, plant and equipment |  |  |  |  |  |  |  |  |  |  |  |
Total property, plant and equipment | 51,343us-gaap_PropertyPlantAndEquipmentNet |  |  |  | 32,022us-gaap_PropertyPlantAndEquipmentNet |  |  |  | 51,343us-gaap_PropertyPlantAndEquipmentNet | 32,022us-gaap_PropertyPlantAndEquipmentNet |  |
Impairment charge |  |  |  |  |  |  |  |  | 2,947us-gaap_ImpairmentOfLongLivedAssetsHeldForUse |  |  |
Subsidiary in Venezuela |  |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment |  |  |  |  |  |  |  |  |  |  |  |
Total property, plant and equipment |  | 0us-gaap_PropertyPlantAndEquipmentNet / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = natr_SubsidiaryInVenezuelaMember |  |  |  |  |  |  |  |  |  | 0us-gaap_PropertyPlantAndEquipmentNet / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = natr_SubsidiaryInVenezuelaMember
Impairment charge |  |  |  |  |  |  |  |  |  |  |  | 2,947us-gaap_ImpairmentOfLongLivedAssetsHeldForUse / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = natr_SubsidiaryInVenezuelaMember
United States |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 148,219us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = country_US | 152,209us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = country_US | 154,716us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = country_US |
Property, plant and equipment |  |  |  |  |  |  |  |  |  |  |  |
Total property, plant and equipment | 48,013us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementGeographicalAxis = country_US |  |  |  | 25,713us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementGeographicalAxis = country_US |  |  |  | 48,013us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementGeographicalAxis = country_US | 25,713us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementGeographicalAxis = country_US |  |
Other |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 163,834us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = natr_OtherCountriesMember | 183,410us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = natr_OtherCountriesMember | 178,104us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = natr_OtherCountriesMember |
Property, plant and equipment |  |  |  |  |  |  |  |  |  |  |  |
Total property, plant and equipment | 3,330us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementGeographicalAxis = natr_OtherCountriesMember |  |  |  | 3,102us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementGeographicalAxis = natr_OtherCountriesMember |  |  |  | 3,330us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementGeographicalAxis = natr_OtherCountriesMember | 3,102us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementGeographicalAxis = natr_OtherCountriesMember |  |
South Korea (Synergy) |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 54,314us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = country_KR | 34,207us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = country_KR | 28,006us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = country_KR |
Venezuela |  |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment |  |  |  |  |  |  |  |  |  |  |  |
Total property, plant and equipment |  |  |  |  | 3,207us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementGeographicalAxis = country_VE |  |  |  |  | 3,207us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementGeographicalAxis = country_VE |  |
NSP Americas |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 184,625us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 195,924us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 199,794us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember |
Contribution margin: |  |  |  |  |  |  |  |  |  |  |  |
Total contribution margin |  |  |  |  |  |  |  |  | 75,673natr_ContributionMargin / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 80,095natr_ContributionMargin / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 80,324natr_ContributionMargin / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember |
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |
Total capital expenditures |  |  |  |  |  |  |  |  | 25,581us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 8,018us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 5,684us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember |
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |  |
Total depreciation and amortization |  |  |  |  |  |  |  |  | 3,438us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 3,568us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 3,339us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Total Assets | 129,371us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember |  |  |  | 148,278us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember |  |  |  | 129,371us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 148,278us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember |  |
NSP Americas | General health |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 79,022us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_GeneralHealthProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 82,332us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_GeneralHealthProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 87,280us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_GeneralHealthProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember |
NSP Americas | Immune |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 23,881us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_ImmunityProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 24,013us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_ImmunityProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 24,410us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_ImmunityProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember |
NSP Americas | Cardiovascular |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 12,665us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_CardiovascularProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 13,268us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_CardiovascularProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 13,483us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_CardiovascularProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember |
NSP Americas | Digestive |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 53,906us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_DigestiveProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 57,575us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_DigestiveProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 56,160us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_DigestiveProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember |
NSP Americas | Personal care |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 4,025us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_PersonalCareProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 5,214us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_PersonalCareProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 5,792us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_PersonalCareProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember |
NSP Americas | Weight management |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 11,126us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_WeightManagementProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 13,522us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_WeightManagementProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember | 12,669us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_WeightManagementProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsAmericasAsiaPacificAndEuropeMember |
NSP Russia, Central and Eastern Europe |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 50,274us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 62,747us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 57,853us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember |
Contribution margin: |  |  |  |  |  |  |  |  |  |  |  |
Total contribution margin |  |  |  |  |  |  |  |  | 17,851natr_ContributionMargin / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 22,542natr_ContributionMargin / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 21,957natr_ContributionMargin / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember |
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |
Total capital expenditures |  |  |  |  |  |  |  |  | 8us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 4us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 44us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember |
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |  |
Total depreciation and amortization |  |  |  |  |  |  |  |  | 25us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 27us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 36us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Total Assets | 6,679us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember |  |  |  | 11,233us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember |  |  |  | 6,679us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 11,233us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember |  |
NSP Russia, Central and Eastern Europe | General health |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 18,841us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_GeneralHealthProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 22,690us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_GeneralHealthProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 20,540us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_GeneralHealthProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember |
NSP Russia, Central and Eastern Europe | Immune |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 6,512us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_ImmunityProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 7,902us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_ImmunityProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 7,365us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_ImmunityProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember |
NSP Russia, Central and Eastern Europe | Cardiovascular |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 3,104us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_CardiovascularProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 4,324us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_CardiovascularProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 4,367us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_CardiovascularProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember |
NSP Russia, Central and Eastern Europe | Digestive |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 13,171us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_DigestiveProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 15,693us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_DigestiveProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 14,501us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_DigestiveProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember |
NSP Russia, Central and Eastern Europe | Personal care |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 6,073us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_PersonalCareProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 8,817us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_PersonalCareProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 8,908us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_PersonalCareProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember |
NSP Russia, Central and Eastern Europe | Weight management |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 2,573us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_WeightManagementProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 3,321us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_WeightManagementProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember | 2,172us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_WeightManagementProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsRussiaCentralAndEasternEuropeMember |
Synergy WorldWide |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 128,101us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 108,290us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 100,670us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember |
Contribution margin: |  |  |  |  |  |  |  |  |  |  |  |
Total contribution margin |  |  |  |  |  |  |  |  | 43,888natr_ContributionMargin / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 38,011natr_ContributionMargin / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 36,142natr_ContributionMargin / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember |
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |
Total capital expenditures |  |  |  |  |  |  |  |  | 1,321us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 534us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 1,051us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember |
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |  |
Total depreciation and amortization |  |  |  |  |  |  |  |  | 946us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 871us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 703us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Total Assets | 40,797us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember |  |  |  | 40,101us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember |  |  |  | 40,797us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 40,101us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember |  |
Synergy WorldWide | General health |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 46,546us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_GeneralHealthProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 36,723us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_GeneralHealthProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 33,969us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_GeneralHealthProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember |
Synergy WorldWide | Immune |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 974us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_ImmunityProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 1,394us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_ImmunityProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 1,104us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_ImmunityProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember |
Synergy WorldWide | Cardiovascular |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 42,449us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_CardiovascularProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 42,154us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_CardiovascularProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 42,696us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_CardiovascularProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember |
Synergy WorldWide | Digestive |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 20,839us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_DigestiveProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 16,897us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_DigestiveProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 14,904us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_DigestiveProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember |
Synergy WorldWide | Personal care |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 7,196us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_PersonalCareProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 7,097us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_PersonalCareProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 5,631us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_PersonalCareProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember |
Synergy WorldWide | Weight management |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 10,097us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_WeightManagementProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 4,025us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_WeightManagementProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember | 2,366us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_WeightManagementProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_SynergyWorldWideBrandMember |
China and New Markets |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 3,367us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember | 2,865us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember | 2,509us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember |
Contribution margin: |  |  |  |  |  |  |  |  |  |  |  |
Total contribution margin |  |  |  |  |  |  |  |  | 1,563natr_ContributionMargin / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember | 1,318natr_ContributionMargin / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember | 159natr_ContributionMargin / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Total Assets | 19,952us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember |  |  |  |  |  |  |  | 19,952us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember |  |  |
China and New Markets | General health |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 1,566us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_GeneralHealthProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember | 1,306us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_GeneralHealthProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember | 1,180us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_GeneralHealthProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember |
China and New Markets | Immune |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 445us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_ImmunityProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember | 367us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_ImmunityProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember | 319us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_ImmunityProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember |
China and New Markets | Cardiovascular |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 235us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_CardiovascularProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember | 211us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_CardiovascularProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember | 188us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_CardiovascularProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember |
China and New Markets | Digestive |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 835us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_DigestiveProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember | 726us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_DigestiveProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember | 632us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_DigestiveProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember |
China and New Markets | Personal care |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | 83us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_PersonalCareProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember | 74us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_PersonalCareProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember | 70us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_PersonalCareProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember |
China and New Markets | Weight management |  |  |  |  |  |  |  |  |  |  |  |
Net sales revenue: |  |  |  |  |  |  |  |  |  |  |  |
Total net sales revenue |  |  |  |  |  |  |  |  | $ 203us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_WeightManagementProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember | $ 181us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_WeightManagementProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember | $ 120us-gaap_SalesRevenueNet / us-gaap_ProductOrServiceAxis = natr_WeightManagementProductsMember / us-gaap_StatementBusinessSegmentsAxis = natr_ChinaAndNewMarketsMember |
Nature's Sunshine Products |  |  |  |  |  |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |  |  |  |  |  |
Number of business segments |  |  |  |  |  |  |  |  | 2us-gaap_NumberOfReportableSegments / us-gaap_StatementBusinessSegmentsAxis = natr_NaturesSunshineProductsBrandMember |  |  |

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