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Stock-Based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Dec. 29, 2020	Dec. 31, 2019	Dec. 29, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 61	$ 74
Stock options granted, shares	90,000
Stock options granted, exercise price	$ 2.33
Stock options exercised, shares	7,984	15,646
Proceeds from stock option exercises	$ 13
Stock issued against stock options exercised	12,000	2,413
Incentive Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, exercise price	$ 2.33
Stock options granted, per-share weighted average fair value	$ 1.24
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate Intrinsic Value, Outstanding	$ 63
Aggregate Intrinsic Value, Exercisable	43
Remaining total unrecognized compensation cost related to unvested stock-based arrangements	$ 271
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition	1 year 7 months 6 days
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining total unrecognized compensation cost related to unvested stock-based arrangements	$ 129
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition	9 months 18 days
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
Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, shares	90,000