CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 25, 2016 |
Dec. 27, 2015 |
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| Income Statement [Abstract] | |||
| Labor, stock-based compensation | $ 346 | $ 181 | $ 115 |
| Selling, general, and administrative expenses, stock-based compensation | $ 4,442 | $ 4,364 | $ 4,609 |
| X | ||||||||||
- Definition This element represents the expense recognized in direct labor expense during the period arising from share-based compensation arrangements (for example, shares of stock, stock options or other equity instruments) with employees. No definition available.
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| X | ||||||||||
- Definition This element represents the expense recognized in selling, general and administrative expense during the period arising from share-based compensation arrangements (for example, shares of stock, stock options or other equity instruments) with employees. No definition available.
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| X | ||||||||||
- References No definition available.
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