v3.8.0.1

STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2017
Stock-Based Compensation [Abstract] |
Schedule of Share-Based Compensation [Table Text Block] |
|  | Year Ended |
(in thousands) |  | December 31, 2017 |  | January 1, 2017 |
Stock options |  | $ | 218 |  | $ | 311 |
Shares of common stock |  |  | 85 |  |  | — |
Restricted stock |  |  | 10 |  |  | 28 |
|  | $ | 313 |  | $ | 339 |
Schedule of Stock Options Roll Forward [Table Text Block] |
|  |  |  |  |  |  | Weighted |  |  |
|  |  |  |  |  |  | Average |  |  |
|  | Number of |  |  |  |  | Remaining |  |  | Aggregate
|  | Options |  | Weighted Average |  | Contractual |  |  | Intrinsic Value
|  | (in thousands) |  | Exercise Price |  | Life in Years |  |  | (in thousands)
Options outstanding at January 3, 2016 |  | 507 |  |  | 16.66 |  | 5.3 |  | $ | —
Granted |  | 416 |  |  | 5.55 |  |  |  |  | —
Exercised |  | (6) |  |  | 5.90 |  |  |  |  | 4
Canceled, forfeited or expired |  | (231) |  |  | 19.44 |  |  |  |  | —
Options outstanding at January 1, 2017 |  | 686 |  |  | 9.15 |  | 5.7 |  |  | 1
Granted |  | 165 |  |  | 4.20 |  |  |  |  | —
Exercised |  | (3) |  |  | 5.42 |  |  |  |  | 5
Canceled, forfeited or expired |  | (309) |  |  | 11.04 |  |  |  |  | —
Options outstanding at December 31, 2017 |  | 539 |  | $ | 6.60 |  | 6.6 |  | $ | 598
Options Exercisable at December 31, 2017 |  | 266 |  | $ | 8.09 |  | 4.2 |  | $ | 187
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] |
|  | Year Ended |
|  | December 31, 2017 |  | January 1, 2017 |
Weighted-average fair value of options granted during the period |  | $ | 1.78 |  | $ | 1.97 |
Expected life (in years) |  |  | 5.3 |  |  | 5.2 |
Expected dividend |  | $ | — |  | $ | — |
Expected stock volatility |  |  | 43.47 | % |  | 39.98 | %
Risk-free interest rate |  |  | 2.0 | % |  | 1.2 | %

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- Definition Performance Shares, Stock Options, Other Forms Of Compensation And Common Share Repurchaces [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=96867065&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 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the change in stock options. + References No definition available. + Details
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