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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.

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Unrecognized cost of unvested options awarded to employees as compensation.

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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).

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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.

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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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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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SHARE-BASED COMPENSATION (Details Textual) - USD ($)									1 Months Ended	12 Months Ended
SHARE-BASED COMPENSATION (Details Textual) - USD ($)	Jul. 25, 2017	Mar. 13, 2017	Oct. 03, 2016	Sep. 28, 2016	Jul. 22, 2016	Jul. 22, 2015	Jun. 16, 2015	Apr. 08, 2013	Jun. 16, 2015	Dec. 30, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Tax benefit from share-based compensation										$ 0
Share-based compensation expense										$ 50,000	$ 302,000
Employee stock purchase plan percentage of market value (percent)										85.00%
Employee stock purchase plan (ESPP) compensation expense										$ 13,000	$ 17,000
$4.00 market condition tranche [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options vesting upon attaining price target (in shares)									116,666
Share price target for 30 consecutive day trading period (in dollars per share)									$ 4.00
$5.00 market condition tranche [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options vesting upon attaining price target (in shares)									116,667
Share price target for 30 consecutive day trading period (in dollars per share)									$ 5.00
$6.00 market condition tranche [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options vesting upon attaining price target (in shares)									91,667
Share price target for 30 consecutive day trading period (in dollars per share)									$ 6.00
Executive Officers And Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, other than options (in shares)								800,000
Two Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, other than options (in shares)						58,940
Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance under the Plan (shares)										1,295,585
Supplemental Stock Plan 2000 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercised (in shares)										0	0
Unrecognized compensation cost, options										$ 0
Performance Based Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense										144,000	$ 88,000
Unrecognized compensation expense on awards other than options										$ 0	$ 46,000
Award performance period for vesting								4 years
Earnings before income tax and dividends								$ 14,000,000
Weighted Average Grant Date Fair Value, Granted (in dollars per share)								$ 3.14
Performance Based Restricted Stock [Member] \| Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Grant Date Fair Value, Granted (in dollars per share)										$ 0.00	$ 3.14
Market Condition Stock Option Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized share-based compensation expense										$ 30,000	$ 37,000
Unrecognized share-based compensation expense, period for recognition										19 months
Allocated share-based compensation expense										$ 7,000	144,000
Market Condition Stock Option Awards [Member] \| Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)				125,000			200,000			0
Weighted Average Exercise Price, Granted (in dollars per share)				$ 1.25			$ 3.34			$ 0.00
Service-Based Stock Option Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award expiration period										10 years
Service-Based Stock Option Awards [Member] \| Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)										37,500
Weighted Average Exercise Price, Granted (in dollars per share)										$ 1.10
Award vesting period										3 years
Share-based compensation expense										$ 18,000	16,000
Unrecognized share-based compensation expense										$ 8,000	26,000
Unrecognized share-based compensation expense, period for recognition										10 months
Non-employee Service Based Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period										3 years
Granted, other than options (in shares)			72,500		59,922
Allocated share-based compensation expense										$ 85,000	25,000
Employee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee stock purchase plan maximum allocation of base compensation (percent)										15.00%
Service Based Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period					1 year
Unrecognized share-based compensation expense, period for recognition										13 months
Granted, other than options (in shares)		60,000			40,000
Unrecognized compensation expense on awards other than options										$ 78,000	16,000
Allocated share-based compensation expense										$ 71,000	$ 13,000
Service Based Restricted Stock [Member] \| Share-based Compensation Award, Tranche Five [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	1 year
Granted, other than options (in shares)	50,000
Service Based Restricted Stock [Member] \| Share-based Compensation Award, Tranche Six [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	2 years
Granted, other than options (in shares)	30,000
Service Based Restricted Stock [Member] \| Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, other than options (in shares)										140,000
Weighted Average Grant Date Fair Value, Granted (in dollars per share)										$ 0.95	$ 0.71
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period										2 years
Minimum [Member] \| Service-Based Stock Option Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period										1 year
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period										4 years
Maximum [Member] \| Service-Based Stock Option Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period										4 years