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Net Income (Loss) Per Share (Details) | 3 Months Ended | 12 Months Ended
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Dec. 28, 2013 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 29, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 28, 2013 | Dec. 29, 2012 | Dec. 31, 2011
Reconciliation of basic to diluted weighted average shares of common stock outstanding |  |  |  |  |  |  |  |  |  |  |
Basic weighted average shares outstanding | 10,071,000 | 10,093,000 | 10,100,000 | 9,994,000 | 10,027,000 | 10,084,000 | 10,242,000 | 10,316,000 | 10,084,000 | 10,167,000 | 10,555,000
Common stock equivalents: |  |  |  |  |  |  |  |  |  |  |
Stock options and restricted stock (in shares) |  |  |  |  |  |  |  |  | 89,000 | 0 | 184,000
Diluted weighted average shares outstanding | 10,148,000 | 10,192,000 | 10,188,000 | 10,084,000 | 10,027,000 | 10,084,000 | 10,381,000 | 10,493,000 | 10,173,000 | 10,167,000 | 10,739,000
Calculation of common stock equivalents for purposes of computing diluted weighted average shares outstanding |  |  |  |  |  |  |  |  |  |  |
Anti-dilutive securities excluded from EPS computation (in shares) |  |  |  |  |  |  |  |  | 1,138,411 | 1,947,992 | 1,045,351
Additional anti-dilutive shares |  |  |  |  |  |  |  |  |  | 140,000 |

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- Definition Additional securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References No definition available. + Details
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Antidilution -URI http://asc.fasb.org/extlink&oid=6505113 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Diluted Earnings Per Share -URI http://asc.fasb.org/extlink&oid=6510752 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Contingent Stock Agreement -URI http://asc.fasb.org/extlink&oid=6508534 + Details
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