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LITIGATION (Details) (USD $) | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011
Income Tax Examination [Line Items] |  |
Reductions of tax positions of prior years | $ 1,084,000 | $ 0
Litigation in General [Abstract] |  |
Loss contingency accrual | 200,000 |
Internal Revenue Service (IRS) [Member] |  |
Income Tax Examination [Line Items] |  |
Net tax deficiency associated with RAR | 8,500,000 |
Penalties associated with RAR | 1,500,000 |
Reductions of tax positions of prior years | 1,084,000 |
Internal Revenue Service (IRS) [Member] | Earliest Open Tax Year [Member] |  |
Income Tax Examination [Line Items] |  |
Open tax years | 2005 |
Internal Revenue Service (IRS) [Member] | Latest Open Tax Year [Member] |  |
Income Tax Examination [Line Items] |  |
Open tax years | 2009 |
Marinova Pty. Limited v. Mannatech [Member] |  |
Business Arbitration and Litigation [Abstract] |  |
Lost profits damages sought | 6,500,000 |
Payment owing amount forgiven | 618,750 |
Settlement payment | 2,600,000 |
Susan Chon vs. Mannatech [Member] |  |
Product Liability Litigation [Abstract] |  |
Product liability settlement | 200,000 |
Product liability, amount covered by insurance | $ 79,000 |

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