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SHARE-BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Valuation Assumptions Used For Stock Options | The following assumptions were used to estimate the fair value of share options and restricted stock for the years ended:
| 2018 |  | 2017 |  | 2016 |
Weighted-average fair value of awards | $ | 12.27 |  |  | $ | 3.94 |  |  | $ | 4.05 |  |
Weighted-average risk-free interest rate | 2.7 |  | % | 1.8 |  | % | 1.1 |  | %
Weighted-average dividend yield | $ | 1.00 |  |  | $ | 1.00 |  |  | $ | 1.00 |  |
Weighted-average volatility factor | 42.3 |  | % | 43.2 |  | % | 43.2 |  | %
Weighted-average expected life | 8.6 |  | yrs | 6.0 |  | yrs | 6.0 |  | yrs
Stock Option Activity | A summary of stock option and restricted stock activity is presented as follows:
|  | Number of Shares |  | Weighted Average Exercise Price Per Share |  | Weighted Average Remaining Contractual Life |  | Total Intrinsic Value of Options (in thousands)
Awards outstanding at December 27, 2015 |  | 775,666 |  |  | $ | 8.19 |  |  | 8.7 |  | $ | 5,246 |
Granted |  | 50,000 |  |  | $ | 17.46 |  |  |  |  |
Exercised |  | (103,055 | ) |  | $ | 6.91 |  |  |  |  |
Forfeited / Canceled |  | (44,200 | ) |  | $ | 9.94 |  |  |  |  |
Awards outstanding at December 25, 2016 |  | 678,411 |  |  | $ | 8.95 |  |  | 7.8 |  | $ | 4,511 |
Granted |  | 128,000 |  |  | $ | 16.76 |  |  |  |  |
Exercised |  | (28,800 | ) |  | $ | 7.71 |  |  |  |  |
Forfeited / Canceled |  | (12,200 | ) |  | $ | 11.00 |  |  |  |  |
Awards outstanding at December 31, 2017 |  | 765,411 |  |  | $ | 10.27 |  |  | 7.3 |  | $ | 4,521 |
Granted |  | 217,000 |  |  | $ | 20.73 |  |  |  |  |
Exercised |  | (163,338 | ) |  | $ | 10.47 |  |  |  |  |
Forfeited / Canceled |  | (292,088 | ) |  | $ | 6.71 |  |  |  |  |
Awards outstanding at December 30, 2018 |  | 526,985 |  |  | $ | 16.49 |  |  | 7.7 |  | $ | 2,932 |
Awards exercisable at December 31, 2017 |  | 498,611 |  |  | $ | 8.74 |  |  | 6.8 |  | $ | 3,640 |
Awards exercisable at December 30, 2018 |  | 238,085 |  |  | $ | 13.96 |  |  | 7.2 |  | $ | 1,684 |
Schedule of Nonvested Share Activity |
|  | Number of Shares |  | Weighted Average Grant Date Fair Value
Non-vested outstanding at December 31, 2017 |  | 266,800 |  |  | $ | 3.09 |
Non-vested outstanding at December 30, 2018 |  | 288,900 |  |  | $ | 8.34 |
Valuation Assumptions For Warrants | The following assumptions were used to estimate the fair value of warrants for the years ended:
|  | 2016 |
Weighted-average fair value of warrants |  | $ | 2.48 |  |
Weighted-average risk-free interest rate |  | 0.6 |  | %
Weighted-average dividend yield |  | $ | 1.00 |  |
Weighted-average volatility factor |  | 43.2 |  | %
Weighted-average expected life |  | 3.0 |  | yrs
Warrant Activity | A summary of warrant activity is presented as follows:
|  | Number of Shares |  | Weighted Average Exercise Price Per Share |  | Weighted Average Remaining Contractual Life |  | Total Intrinsic Value of Warrants (in thousands)
Warrants outstanding at December 27, 2015 |  | 133,833 |  |  | $ | 10.21 |  |  | 3.5 |  | $ | 634 |
Granted |  | 32,250 |  |  | $ | 16.80 |  |  |  |  |
Exercised |  | (42,099 | ) |  | $ | 11.42 |  |  |  |  |
Expired |  | — |  |  | $ | — |  |  |  |  |
Warrants exercisable at December 25, 2016 |  | 123,984 |  |  | $ | 11.51 |  |  | 2.8 |  | $ | 532 |
Granted |  | — |  |  | $ | — |  |  |  |  |
Exercised |  | — |  |  | $ | — |  |  |  |  |
Expired |  | — |  |  | $ | — |  |  |  |  |
Warrants outstanding at December 31, 2017 |  | 123,984 |  |  | $ | 11.51 |  |  | 2.2 |  | $ | 577 |
Granted |  | — |  |  | $ | — |  |  |  |  |
Exercised |  | (30,768 | ) |  | $ | 11.27 |  |  |  |  |
Expired |  | — |  |  | $ | — |  |  |  |  |
Warrants outstanding at December 30, 2018 |  | 93,216 |  |  | $ | 11.59 |  |  | 1.3 |  | $ | 805 |
Warrants exercisable at December 31, 2017 |  | 123,984 |  |  | $ | 11.51 |  |  | 2.2 |  | $ | 577 |
Warrants exercisable at December 30, 2018 |  | 93,216 |  |  | $ | 11.59 |  |  | 1.3 |  | $ | 805 |

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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the changes in other outstanding share-based compensation awards other than stock options or nonvested awards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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