Stock-Based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
Jun. 30, 2020	Jun. 25, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 223	$ 331
Stock options exercised, shares	15,646	667
Proceeds from stock option exercises		$ 3
Stock issued against stock options exercised	2,413
Incentive Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, shares		99,832
Incentive Stock Option [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, exercise price		$ 4.66
Stock options granted, per-share weighted average fair value		2.68
Incentive Stock Option [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, exercise price		5.00
Stock options granted, per-share weighted average fair value		$ 3.16
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate Intrinsic Value, Outstanding	$ 2
Aggregate Intrinsic Value, Exercisable	2
Remaining total unrecognized compensation cost related to unvested stock-based arrangements	$ 215
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition	1 year 10 months 25 days
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted, shares	60,336	79,988
Restricted stock granted, weighted average grant date fair value per share		$ 3.95
Vesting period		3 years
Remaining total unrecognized compensation cost related to unvested stock-based arrangements	$ 198
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition	10 months 25 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	$ 1.54
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	$ 1.67
Restricted Stock One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted, shares	46,336
Restricted stock granted, weighted average grant date fair value per share	$ 1.54
Vesting period	3 years
Restricted Stock Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted, shares	14,000
Restricted stock granted, weighted average grant date fair value per share	$ 1.67

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

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

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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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Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).

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