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NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Thousands, ¥ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 USD ($) installment | Dec. 31, 2017 USD ($) installment | Jan. 01, 2019 USD ($) | Jun. 30, 2015 CNY (¥)
Property, Plant and Equipment [Line Items] |  |  |  |
Depreciation and amortization expenses | $ 424 | $ 536 |  |
Total long-term incentive compensation | 9,000 |  |  |
Non-current long-term incentive compensation | 7,808 | 7,904 |  |
Loss on foreign exchange | 739 | $ 451 |  |
Subsequent Event | Scenario, Forecast | ASU 2016-02 |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Operating lease liability |  |  | $ 4,600 |
Operating lease ROU assets |  |  | $ 4,600 |
Non-current Liability |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Non-current long-term incentive compensation | 7,800 |  |  |
Other Accrued Expenses |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Current long-term incentive compensation | $ 1,200 |  |  |
Long-Term Incentive Plan, Payment Commencing in February of the Calendar Year Immediately Following the Conclusion of the Performance Period |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Long-term incentive plan, percentage of award payable in cash | 50.00% |  |  |
Long-term incentive plan, number of installments | installment | 35 |  |  |
Long-Term Incentive Plan, Payment Commencing in February 2021 and Ending in December 2023 |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Long-term incentive plan, percentage of award payable in cash | 50.00% |  |  |
Long-term incentive plan, number of installments | installment |  | 35 |  |
Minimum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Period to receive cash proceeds from credit card processors | 2 days |  |  |
Maximum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Period to receive cash proceeds from credit card processors | 5 days |  |  |
Premium Noni Juice | Product Concentration Risk | Sales Revenue, Product Line |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Concentration risk percentage (more than) | 10.00% |  |  |
Enhanced Essential Probiotics | Product Concentration Risk | Sales Revenue, Product Line |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Concentration risk percentage (more than) | 10.00% |  |  |
Selling, General and Administrative Expenses |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Depreciation and amortization expenses | $ 424 | $ 536 |  |
Software | Minimum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, and equipment useful life | 3 years |  |  |
Software | Maximum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, and equipment useful life | 5 years |  |  |
Furniture and Fixtures | Minimum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, and equipment useful life | 5 years |  |  |
Furniture and Fixtures | Maximum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, and equipment useful life | 7 years |  |  |
China |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Restricted cash | $ 2,900 | $ 3,100 |  | ¥ 20
South Korea |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Percentage of restricted cash required as collateral | 100.00% |  |  |

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