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Note 2 - Components of Balance Sheet Accounts (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2014
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Dec. 31, 2013
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|---|---|---|
| Property and equipment: | ||
| Office equipment | $ 391nhtc_OfficeEquipment | $ 354nhtc_OfficeEquipment |
| Office software | 537us-gaap_CapitalizedComputerSoftwareGross | 533us-gaap_CapitalizedComputerSoftwareGross |
| Furniture and fixtures | 59us-gaap_FurnitureAndFixturesGross | 62us-gaap_FurnitureAndFixturesGross |
| Leasehold improvements | 345us-gaap_LeaseholdImprovementsGross | 256us-gaap_LeaseholdImprovementsGross |
| Construction in progress | 75us-gaap_ConstructionInProgressGross | 102us-gaap_ConstructionInProgressGross |
| Property and equipment, at cost | 1,407us-gaap_PropertyPlantAndEquipmentGross | 1,307us-gaap_PropertyPlantAndEquipmentGross |
| Accumulated depreciation and amortization | (931)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | (1,042)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment |
| 476us-gaap_PropertyPlantAndEquipmentNet | 265us-gaap_PropertyPlantAndEquipmentNet | |
| Other accrued expenses: | ||
| Sales returns | 654nhtc_AccruedSalesReturns | 504nhtc_AccruedSalesReturns |
| Employee-related expense | 4,620us-gaap_AccruedEmployeeBenefitsCurrent | 1,860us-gaap_AccruedEmployeeBenefitsCurrent |
| Warehousing and inventory-related expense | 987nhtc_AccruedWarehousingndInventorRelatedExpense | 595nhtc_AccruedWarehousingndInventorRelatedExpense |
| Other | 482nhtc_OtherAccruedExpenses | 187nhtc_OtherAccruedExpenses |
| 6,743us-gaap_OtherAccruedLiabilitiesCurrent | 3,146us-gaap_OtherAccruedLiabilitiesCurrent | |
| Deferred revenue: | ||
| Deferred revenue | 2,687us-gaap_DeferredRevenue | 2,569us-gaap_DeferredRevenue |
| Other current liabilities: | ||
| Unclaimed checks | 1,266nhtc_UnclaimedChecks | 674nhtc_UnclaimedChecks |
| Other | 247us-gaap_OtherSundryLiabilitiesCurrent | 208us-gaap_OtherSundryLiabilitiesCurrent |
| Other current liabilities | 1,513us-gaap_OtherLiabilitiesCurrent | 882us-gaap_OtherLiabilitiesCurrent |
| Auto Ship Advances [Member] | ||
| Deferred revenue: | ||
| Deferred revenue |
815us-gaap_DeferredRevenue / us-gaap_DeferredRevenueArrangementTypeAxis = nhtc_AutoShipAdvancesMember |
449us-gaap_DeferredRevenue / us-gaap_DeferredRevenueArrangementTypeAxis = nhtc_AutoShipAdvancesMember |
| Enrollment Package Revenue [Member] | ||
| Deferred revenue: | ||
| Deferred revenue |
222us-gaap_DeferredRevenue / us-gaap_DeferredRevenueArrangementTypeAxis = nhtc_EnrollmentPackageRevenueMember |
182us-gaap_DeferredRevenue / us-gaap_DeferredRevenueArrangementTypeAxis = nhtc_EnrollmentPackageRevenueMember |
| Market Development Fees [Member] | ||
| Deferred revenue: | ||
| Deferred revenue |
500us-gaap_DeferredRevenue / us-gaap_DeferredRevenueArrangementTypeAxis = nhtc_MarketDevelopmentFeeMember |
|
| Unshipped Product [Member] | ||
| Deferred revenue: | ||
| Deferred revenue |
$ 1,150us-gaap_DeferredRevenue / us-gaap_DeferredRevenueArrangementTypeAxis = nhtc_UnshippedProductMember |
$ 1,938us-gaap_DeferredRevenue / us-gaap_DeferredRevenueArrangementTypeAxis = nhtc_UnshippedProductMember |
| X | ||||||||||
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- Definition
Represents accrued sales returns. No definition available.
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| X | ||||||||||
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- Definition
Represents accrued warehousing and inventory-related expense. No definition available.
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| X | ||||||||||
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- Definition
Represents other equipment. No definition available.
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| X | ||||||||||
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- Definition
Represents other accrued expenses. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Represents unclaimed checks. No definition available.
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| X | ||||||||||
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- Definition
Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Aggregate carrying amount of current liabilities (due within one year or within the normal operating cycle if longer) not separately disclosed in the balance sheet. Includes costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and of liabilities not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are due within one year or operating cycle, if longer, from the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Details
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