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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Dec. 31, 2011
Schedule to Financial Statements [Abstract] |
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | Exhibit 99.1 MANNATECH, INCORPORATED AND SUBSIDIARIES SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS (in thousands)
|  |  | Additions |  |
| Balance at Beginning of Year |  |  |  | Charged to Costs and Expenses |  |  |  | Charged to other Accounts |  |  |  | Deductions |  |  |  | Balance at End of Year |  |
Year Ended December 31, 2009 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deducted from asset accounts: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for Doubtful Accounts | $ | 23 |  |  |  |  | 33 |  |  |  | — |  |  |  |  | (40 | ) |  |  | $ | 16 |  |
Allowance for Obsolete Inventories | $ | 677 |  |  |  |  | 1,544 |  |  |  | — |  |  |  |  | (848 | ) |  |  | $ | 1,373 |  |
Valuation allowance for deferred tax assets | $ | 932 |  |  |  |  | 1,358 |  |  |  | — |  |  |  |  | — |  |  |  | $ | 2,290 |  |
Year Ended December 31, 2010 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deducted from asset accounts: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for Doubtful Accounts | $ | 16 |  |  |  |  | 51 |  |  |  | — |  |  |  |  | (46 | ) |  |  | $ | 21 |  |
Allowance for Obsolete Inventories | $ | 1,373 |  |  |  |  | 2,266 |  |  |  | — |  |  |  |  | (2,078 | ) |  |  | $ | 1,561 |  |
Valuation allowance for deferred tax assets | $ | 2,290 |  |  |  |  | 2,002 |  |  |  | — |  |  |  |  | (233 | ) |  |  | $ | 4,059 |  |
Year Ended December 31, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deducted from asset accounts: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for Doubtful Accounts | $ | 21 |  |  |  |  | 61 |  |  |  | — |  |  |  |  | (60 | ) |  |  | $ | 22 |  |
Allowance for Obsolete Inventories | $ | 1,561 |  |  |  |  | 3,660 |  |  |  | — |  |  |  |  | (2,910 | ) |  |  | $ | 2,311 |  |
Valuation allowance for deferred tax assets | $ | 4,059 |  |  |  |  | 5,474 |  |  |  | — |  |  |  |  | (30 | ) |  |  | $ | 9,503 |  |

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- Definition An element designated to encapsulate the entire schedule of any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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