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Schedule II-Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2013
Schedule II-Valuation and Qualifying Accounts |
Schedule II-Valuation and Qualifying Accounts | Schedule II—Valuation and Qualifying Accounts (In thousands)
|  |  |  | Additions |  | Deductions |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Description |  | Balance at beginning of period |  | Charged to costs and expenses |  | Charged to other accounts |  | Amounts recovered |  | Amounts written off |  | Balance at end of period |
Allowance for doubtful accounts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year ended December 31, 2013 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | — |
Year ended December 31, 2012 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | — |  | $ | — |
Year ended December 31, 2011 |  | $ | 125 |  | $ | — |  | $ | — |  | $ | (125 | ) | $ | — |  | $ | — |

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- Definition The entire disclosure for 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 FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: 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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