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STOCKHOLDERS' EQUITY AND STOCK-BASED COMPENSATION (Details) - USD ($) $ / shares in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2018 | Dec. 30, 2017
Class of Warrant or Right [Line Items] |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value |  | $ 1.7
Restricted Stock |  |
Class of Warrant or Right [Line Items] |  |
Unrecognized compensation cost related to nonvested stock awards | $ 6,100,000 |
Unrecognized compensation cost related to nonvested stock awards, period of recognition (in years) | 2 years |
Share-based Compensation Award, Tranche One |  |
Class of Warrant or Right [Line Items] |  |
Nonvested common stock awards employment obligations (in years) | 1 year |
Share-based Compensation Award, Tranche One | Restricted Stock |  |
Class of Warrant or Right [Line Items] |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  | 640,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  | 20 days
Share-based Compensation Arrangement by Share-based Payment Award, Market Price, Award Vest |  | $ 5.25
Share-based Compensation Award, Tranche Two |  |
Class of Warrant or Right [Line Items] |  |
Nonvested common stock awards employment obligations (in years) | 2 years |
Share-based Compensation Award, Tranche Two | Restricted Stock |  |
Class of Warrant or Right [Line Items] |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  | 150,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  | 20 days
Share-based Compensation Arrangement by Share-based Payment Award, Market Price, Award Vest |  | $ 6.00
Share-based Compensation Award, Tranche Three |  |
Class of Warrant or Right [Line Items] |  |
Nonvested common stock awards employment obligations (in years) | 4 years |
Share-based Compensation Award, Tranche Three | Restricted Stock |  |
Class of Warrant or Right [Line Items] |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  | 150,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  | 20 days
Share-based Compensation Arrangement by Share-based Payment Award, Market Price, Award Vest |  | $ 7.00

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- Definition Unrecognized cost of unvested share-based compensation 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 (i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(iii)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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