v3.21.1

STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
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Jan. 03, 2021
Stock-based Compensation |
Schedule of recognized stock-based compensation expense | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended | ​
(in thousands) |  | January 3, 2021 |  | December 29, 2019 | ​
Stock options | ​ | $ | 457 | ​ | $ | 266 | ​
Restricted stock | ​ |  | 429 | ​ |  | 197 | ​
​ | ​ | $ | 886 | ​ | $ | 463 | ​
Schedule of stock option activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | ​ | ​ | ​ | Weighted |  | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Average | ​ | ​ | ​
​ | ​ | Number of | ​ | ​ | ​ | ​ | Remaining | ​ | ​ | Aggregate
​ | ​ | Options | ​ | Weighted Average | ​ | Contractual | ​ | ​ | Intrinsic Value
​ |  | (in thousands) |  | Exercise Price |  | Life in Years |  | ​ | (in thousands)
Options outstanding at December 30, 2018 |  | 384 | ​ | $ | 7.43 | ​ | 6.7 | ​ | $ | 29
Granted |  | 212 | ​ |  | 4.37 | ​ | ​ | ​ | ​ | —
Exercised | ​ | (5) | ​ | ​ | 3.90 | ​ | ​ | ​ | ​ | 6
Canceled, forfeited or expired |  | (138) | ​ |  | 5.22 | ​ | ​ | ​ | ​ | 68
Options outstanding at December 29, 2019 |  | 453 | ​ | $ | 6.71 | ​ | 5.7 | ​ | $ | 28
Granted |  | 277 | ​ |  | 3.85 | ​ | ​ | ​ | ​ | —
Exercised |  | (1) | ​ |  | 4.18 | ​ | ​ | ​ | ​ | 1
Canceled, forfeited or expired |  | (154) | ​ |  | 9.91 | ​ | ​ | ​ | ​ | 10
Options outstanding at January 3, 2021 |  | 575 | ​ | $ | 4.49 | ​ | 6.9 | ​ | $ | 401
Options exercisable at January 3, 2021 |  | 285 | ​ | $ | 4.69 | ​ | 6.4 | ​ | $ | 148
Schedule of stock option valuation assumptions | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended | ​
​ |  | January 3, 2021 | ​ | December 29, 2019 | ​
Weighted-average fair value of options granted during the period | ​ | $ | 1.79 | ​ | $ | 1.88 | ​
Expected life (in years) | ​ |  | 5.1 | ​ |  | 4.6 | ​
Expected dividend | ​ | $ | — | ​ | $ | — | ​
Expected stock volatility | ​ |  | 55.02 | % |  | 50.55 | %
Risk-free interest rate | ​ |  | 0.9 | % |  | 1.9 | %
Schedule of unvested restricted stock activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | ​ | ​ | ​ | Average
​ | ​ | ​ | ​ | ​ | ​ | ​ | Remaining
​ | ​ | Number of | ​ | Weighted Average | ​ | Contractual
(number of awards in thousands) |  | Awards |  | Award Date Fair Value |  | Life in Years
Unvested at December 29, 2019 |  | 143 | ​ | $ | 5.00 | ​ | ​
Granted |  | 403 | ​ |  | 4.27 | ​ | ​
Exercised/Released | ​ | (71) | ​ | ​ | 4.85 | ​ | ​
Unvested at January 3, 2021 |  | 475 | ​ | $ | 4.43 | ​ | 2.0

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (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=120381028&loc=d3e5070-113901 + Details
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