Quarterly Financial Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 30, 2017 |
Sep. 30, 2017 |
Jul. 01, 2017 |
Apr. 01, 2017 |
Dec. 31, 2016 |
Sep. 24, 2016 |
Jun. 25, 2016 |
Mar. 26, 2016 |
Dec. 30, 2017 |
Dec. 31, 2016 |
Dec. 26, 2015 |
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| Quarterly Financial Information Disclosure [Abstract] | |||||||||||
| Total revenue | $ 44,216 | $ 44,536 | $ 41,972 | $ 43,366 | $ 43,513 | $ 40,791 | $ 38,184 | $ 39,266 | $ 174,090 | $ 161,754 | $ 138,681 |
| Cost of revenue | 8,662 | 9,345 | 9,000 | 8,766 | 8,573 | 8,396 | 7,619 | 7,242 | 35,773 | 31,830 | 26,117 |
| Income (loss) from continuing operations | 5,004 | (1,221) | (3,375) | (1,123) | 5,954 | 1,631 | (15,419) | ||||
| (Loss) income from discontinued operations, net of tax | (24) | (49) | (44) | 7,878 | |||||||
| Net income (loss) | 7,904 | 262 | 1,673 | 824 | 4,980 | (1,270) | (3,419) | 6,755 | 10,663 | 7,046 | (34,995) |
| Net income (loss) attributable to common stockholders | $ 6,255 | $ (418) | $ 874 | $ 192 | $ 4 | $ (4,010) | $ (3,419) | $ 6,755 | $ 6,944 | $ 3,145 | $ (34,995) |
| Weighted average number of shares outstanding, basic | 30,189 | 28,864,000 | 29,680,000 | 30,535,000 | 32,001,000 | ||||||
| Weighted average number of shares outstanding, diluted | 33,128,000 | 30,815 | 32,406,000 | 30,535,000 | 32,001,000 | ||||||
| Net income (loss) per share attributable to common stockholders (Basic): | |||||||||||
| Income (loss) per share from continuing operations attributable to common stockholders (in dollars per share) | $ 0.13 | $ (0.14) | $ (0.11) | $ (0.03) | $ 0.23 | $ (0.12) | $ (0.56) | ||||
| income (loss) per share from discontinued operations attributable to common stockholders (in dollars per share) | 0.00 | 0.00 | 0.00 | 0.24 | 0.00 | 0.22 | (0.53) | ||||
| Net income (loss) per share attributable to common stockholders, basic (in dollars per share) | $ 0.21 | $ (0.01) | $ 0.03 | $ 0.01 | 0.13 | (0.14) | (0.11) | 0.21 | 0.23 | 0.10 | (1.09) |
| Net income (loss) per share attributable to common stockholders (Diluted): | |||||||||||
| Income (loss) per share from continuing operations attributable to common stockholders (in dollars per share) | 0.12 | (0.14) | (0.11) | (0.03) | 0.22 | (0.12) | (0.56) | ||||
| Income (loss) from discontinued operations attributable to common stockholders, diluted (in dollars per share) | 0.00 | 0.00 | 0.00 | 0.24 | 0.00 | 0.22 | (0.53) | ||||
| Net income (loss) per share attributable to common stockholders, diluted (in dollars per share) | $ 0.19 | $ (0.01) | $ 0.03 | $ 0.01 | $ 0.12 | $ (0.14) | $ (0.11) | $ 0.21 | $ 0.22 | $ 0.10 | $ (1.09) |
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- Definition The aggregate cost of goods produced and sold and services rendered during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- References No definition available.
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- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- References No definition available.
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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