Stock-Based Compensation (Narrative) (Details) - USD ($)	9 Months Ended
Jun. 26, 2018	Jun. 27, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 303,000	$ 609,000
Stock options granted, shares	18,274
Stock options granted, exercise price	$ 2.71	$ 3.13
Stock options exercised, shares	0	0
Proceeds from stock option exercises	$ 0	$ 0
Non Statutory Stock Options [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, exercise price	$ 2.70	$ 3.05
Stock options granted, per-share weighted average fair value	1.65	2.17
Non Statutory Stock Options [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, exercise price	2.73	3.15
Stock options granted, per-share weighted average fair value	$ 1.95	$ 2.30
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate Intrinsic Value, Outstanding	$ 391,000
Aggregate Intrinsic Value, Exercisable	348,000
Remaining total unrecognized compensation cost related to unvested stock-based arrangements	$ 318,000
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	37,037	103,440
Restricted stock granted, weighted average grant date fair value per share	$ 2.70
Remaining total unrecognized compensation cost related to unvested stock-based arrangements	$ 186,000
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition	1 year 3 months 19 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	18,274	151,834

Unrecognized cost of unvested share-based compensation awards.

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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 aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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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 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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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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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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