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Net Income (Loss) Per Share (Tables) | 12 Months Ended
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Dec. 31, 2016
Earnings Per Share [Abstract] |
Reconciliation of the basic and diluted net income (loss) per share computations | A reconciliation of the share denominator of the basic and diluted net income (loss) per share computations is as follows (in thousands):
|  | Years Ended |
|  | December 31, 2016 |  |  | December 26, 2015 |  |  | December 27, 2014 |
Weighted average common shares outstanding used in basic net income (loss) per share calculation |  |  | 24,655 |  |  |  | 24,059 |  |  |  | 23,958 |
Potential dilutive common stock equivalents, using treasury stock method |  |  | 498 |  |  |  | 316 |  |  |  | — |
Weighted average shares used in diluted net income (loss) per share calculation |  |  | 25,153 |  |  |  | 24,375 |  |  |  | 23,958 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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