Stock-Based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
Jun. 27, 2017	Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 609	$ 532
Stock options granted, shares	151,834
Stock options granted, exercise price	$ 3.13
Stock options exercised, shares	0	19,531
Proceeds from stock option exercises	$ 0	$ 39
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate Intrinsic Value, Outstanding	376
Aggregate Intrinsic Value, Exercisable	326
Remaining total unrecognized compensation cost related to unvested stock-based arrangements	$ 714
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition	1 year 9 months 18 days
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted, shares	103,440	44,755
Restricted stock granted, weighted average grant date fair value per share		$ 4.18
Remaining total unrecognized compensation cost related to unvested stock-based arrangements	$ 402
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition	1 year 4 months 24 days
Restricted Stock [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted, weighted average grant date fair value per share	$ 3.15
Restricted Stock [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted, weighted average grant date fair value per share	$ 3.20
Incentive Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, shares	151,834	65,743
Non Statutory Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, shares		22,686
Non Statutory Stock Options [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, exercise price	$ 3.05	$ 4.04
Stock options granted, per-share weighted average fair value	2.17	2.85
Non Statutory Stock Options [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, exercise price	3.15	6.23
Stock options granted, per-share weighted average fair value	$ 2.30	$ 4.52

Unrecognized cost of unvested share-based compensation awards.

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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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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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Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

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The weighted average fair value at grant date for nonvested equity-based awards issued 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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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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

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