STOCK-BASED COMPENSATION (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
Apr. 02, 2017	Apr. 03, 2016	Jan. 01, 2017
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]
Number of Shares Available for Grant	89,094
Allocated Share-based Compensation Expense	$ 107	$ (54)
Options Outstanding Rollforward [Abstract]
Outstanding options (in shares)	614,000		686,000
Outstanding Weighted Average Price	$ 8.89		$ 9.15
Options granted	9,000
Granted Weighted Average Exercise Price	$ 5.33
Options canceled or expired (in shares)	81,000
Canceled or Expired Weighted Average Exercise Price	$ 10.73
Options Outstanding Weighted Average Remaining Contractual Term	5 years 7 months 6 days		5 years 8 months 12 days
Options Exercisable	294,000
Exercisable Weighted Average Exercise Price	$ 10.67
Options Exercisable Weighted Average Remaining Contractual Term	4 years
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value	$ 2.93
Fair Value Assumptions Expected Term	5 years
Expected stock volatility	65.70%
Risk-free interest rate	1.96%
Stock Option [Member]
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	$ 100	(69)
Restricted Stock And Restricted Stock Units [Member]
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	$ 7	$ 15

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Risk-free interest rate assumption used in valuing an instrument.

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Weighted average expected volatility of stock price.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Gross number of share options (or share units) granted during the period.

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No definition available.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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