Stock-Based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
Mar. 26, 2019	Mar. 27, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 221	$ 215
Stock options granted, shares	99,832
Stock options granted, exercise price	$ 4.76
Stock options exercised, shares	667
Proceeds from stock option exercises	$ 3
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate Intrinsic Value, Outstanding	61
Aggregate Intrinsic Value, Exercisable	61
Remaining total unrecognized compensation cost related to unvested stock-based arrangements	$ 618
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition	2 years 4 months 24 days
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted, shares	79,988	37,037
Restricted stock granted, weighted average grant date fair value per share	$ 3.95	$ 2.70
Vesting period	3 years	3 years
Remaining total unrecognized compensation cost related to unvested stock-based arrangements	$ 518
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition	1 year 6 months
Incentive Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, shares	99,832	18,274
Incentive Stock Option [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, exercise price	$ 4.66	$ 2.70
Stock options granted, per-share weighted average fair value	2.68	1.65
Incentive Stock Option [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, exercise price	5.00	2.73
Stock options granted, per-share weighted average fair value	$ 3.16	$ 1.95

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

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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

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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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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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

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