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Schedule II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Dec. 26, 2015
Valuation And Qualifying Accounts [Abstract] |
Schedule II - VALUATION AND QUALIFYING ACCOUNTS | NANOMETRICS INCORPORATED VALUATION AND QUALIFYING ACCOUNTS Our allowance for doubtful accounts receivable consists of the following (in thousands):
Year Ended |  | Balance at beginning of period |  |  | Charged to costs and expenses |  |  | Deductions – write-offs of accounts |  |  | Balance at end of period |
December 26, 2015 |  | $ | 253 |  |  | $ | (113 | ) |  | $ | 10 |  |  | $ | 150 |
December 27, 2014 |  | $ | 293 |  |  | $ | (40 | ) |  | $ | — |  |  | $ | 253 |
December 28, 2013 |  | $ | 82 |  |  | $ | 255 |  |  | $ | (44 | ) |  | $ | 293 |
Our valuation allowance for deferred tax assets consists of the following (in thousands):
Year Ended |  | Balance at beginning of period |  |  | Charged to costs and expenses |  |  | Deductions – write-offs of accounts |  |  | Balance at end of period |
December 26, 2015 |  | $ | 35,835 |  |  | $ | 951 |  |  | $ | — |  |  | $ | 36,786 |
December 27, 2014 |  | $ | 11,665 |  |  | $ | 24,170 |  |  | $ | — |  |  | $ | 35,835 |
December 28, 2013 |  | $ | 10,229 |  |  | $ | 1,436 |  |  | $ | — |  |  | $ | 11,665 |

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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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- References No definition available. + Details
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