Earnings Per Share - Summary of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Jan. 04, 2020	Dec. 29, 2018
Earnings Per Share [Abstract]
Net loss	$ (403)	$ (1,220)
Weighted average common shares outstanding (in shares)	26,481,441	26,302,865
Basic earnings per share (in dollars per share)	$ (0.02)	$ (0.05)
Diluted weighted average shares outstanding	26,481,441	26,302,865
Diluted earnings per share (in dollars per share)	$ (0.02)	$ (0.05)