| Schedule of Valuation and Qualifying Accounts |
Schedule of Valuation and Qualifying Accounts
Schedule II — Schedule of Valuation and Qualifying Accounts
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Description
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Balance
January 1, |
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Charged to
Expenses
(Benefit) |
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Write-offs/
Payments/
Other |
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Balance
December 31, |
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2009
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Allowance for doubtful accounts
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$ |
10,860 |
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30,602 |
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(32,795 |
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$ |
8,667 |
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Deferred tax assets — valuation allowance
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$ |
3,476,583 |
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138,749 |
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— |
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$ |
3,615,332 |
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2010
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Allowance for doubtful accounts
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$ |
8,667 |
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32,379 |
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(30,824 |
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$ |
10,222 |
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Deferred tax assets — valuation allowance
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$ |
3,615,332 |
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(21,749 |
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(42,295 |
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$ |
3,551,288 |
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2011
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Allowance for doubtful accounts
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$ |
10,222 |
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33,164 |
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(33,454 |
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$ |
9,932 |
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Deferred tax assets — valuation allowance
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$ |
3,551,288 |
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(166,452 |
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(24,096 |
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$ |
3,360,740 |
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