Number of additional common shares reserved for future issuance.

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The number of equity-based payment instruments, excluding stock (or unit) options, that are expected to vest.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Aggregate number of common shares reserved for future issuance.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of cash inflow from issuance of shares under share-based payment arrangement. Includes, but is not limited to, option exercised.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Discount rate from fair value on offering date that participants pay for shares.

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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The highest quantity of shares an employee can purchase under the plan per period.

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Number of additional shares authorized for issuance under share-based payment arrangement.

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Number of shares authorized for issuance under share-based payment arrangement.

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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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Price of a single share of a number of saleable stocks of a company.

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Intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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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 shares issued during the period as a result of an employee stock purchase plan.

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Note 11 - Share Based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 31, 2016	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years
Share-based Payment Arrangement, Expense	$ 806	$ 544
Common Stock, Capital Shares Reserved for Future Issuance	927,928	1,176,474
Share Price	$ 2.87
Dividends Payable	$ 12	$ 6
The 2014 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	1,125,000			625,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized			500,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	268,326
Employee Stock Purchase Plan [Member]
Share-based Payment Arrangement, Expense	$ 91	$ 103
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	267,877
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Offering Date	85.00%
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate	10.00%
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Number of Shares Per Employee	3,000
Additional Shares of Common Stock Reserved for Future Issuance		300,000
Common Stock, Capital Shares Reserved for Future Issuance		1,400,000
Stock Issued During Period, Shares, Employee Stock Purchase Plans	118,526	90,877
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised, Total	$ 321	$ 385
Performance-based Restricted Stock Units [Member]
Share-based Payment Arrangement, Expense	$ 228	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Expected to Vest	40,000
Performance-based Restricted Stock Units [Member] \| Unlikely to Be Achieved [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance	200,000
Performance-based Restricted Stock Units [Member] \| Likely to Vest Performance-based Restricted Stock Units [Member]
Share-based Payment Arrangement, Expense	$ 175
Performance-based Restricted Stock Units [Member] \| The 2014 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance	240,000	200,000
Dividends Payable	$ 0
Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount	800
Time-based Restricted Stock Units [Member]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 300
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	2 years
Time-based Restricted Stock Units [Member] \| The 2014 Plan [Member]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 300
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance	151,725	147,372
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested	$ 400
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	1 year
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years