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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 [Abstract] |
SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS | SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS For the years ended December 31, 2013, 2012 and 2011 (in thousands of dollars)
|  | Balance at beginning of year |  |  | Additions (A) |  |  | Deductions (B) |  |  | Other (C) |  |  | Balance at end of year |
Allowance for doubtful accounts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year ended December 31, 2013 |  | $ | 278 |  |  | $ | 1,141 |  |  | $ | (16 | ) |  | $ | 42 |  |  | $ | 1,445 |
Year ended December 31, 2012 |  | $ | 474 |  |  | $ | 144 |  |  | $ | ( 313 | ) |  | $ | (27 | ) |  | $ | 278 |
Year ended December 31, 2011 |  | $ | 306 |  |  | $ | 483 |  |  | $ | (256 | ) |  | $ | (59 | ) |  | $ | 474 |
| (A) | Includes charges to costs and expenses, net of any equipment recovered
| (B) | Includes deductions for uncollectible accounts receivable, net of any equipment recovered
| (C) | Miscellaneous activity for product sales recognized on a cash basis

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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 SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: 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=6881521&loc=d3e24092-122690 + Details
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