Organization and Summary of Significant Accounting Policies (Summary of Reconciles Basic and Diluted) (Details) - shares	12 Months Ended
	Sep. 28, 2021	Sep. 29, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Weighted-average shares outstanding basic	12,677,652	12,594,952
Effect of potentially dilutive securities:
Stock options	88,576
Restricted stock units	61,952
Weighted-average shares outstanding diluted	12,828,180	12,594,952
Excluded from diluted weighted-average shares outstanding:
Antidilutive	75,641	722,871