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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 Consolidated Financial Statement Schedule Valuation and Qualifying Accounts Years ended December 31, 2013, 2012 and 2011 Accounts receivable, allowance for doubtful accounts:
|  | 2013 |  | 2012 |  | 2011 |
Balance at beginning of year |  | $ | 495 |  | $ | 379 |  | $ | 343 |
Provision credited to expense |  | 22 |  | 113 |  | 55 |
Recoveries, net of write-offs |  | (5 | ) | 3 |  | (19 | )
Balance at end of year |  | $ | 512 |  | $ | 495 |  | $ | 379 |

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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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