Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Schedule of Earnings Per Share, Including Dilutive Securities [Line Items]
Net income	$ 12,185	$ 24,300	$ 30,820
Less: preferred stock dividends	0	0	1,896
Net income available to common stockholders	$ 12,185	$ 24,300	$ 28,924
Basic earnings per share
Basic weighted average shares outstanding	26,850,999	26,455,436	25,259,595
Basic earnings per share (in dollars per share)	$ 0.45	$ 0.92	$ 1.15
Diluted earnings per share
Convertible Preferred Stock - if converted (in shares)	0	98,984	2,294,205
Warrants (in shares)	0	179,105	737,183
Diluted weighted average shares outstanding	27,086,555	27,043,814	28,616,862
Diluted earnings per share (in dollars per share)	$ 0.45	$ 0.90	$ 1.08
Restricted stock
Diluted earnings per share
Dilutive securities related to share based compensation (in shares)	188,791	180,032	50,891
Non-qualified stock options
Diluted earnings per share
Dilutive securities related to share based compensation (in shares)	46,765	130,257	274,988
Common Stock
Diluted earnings per share
Anti-dilutive securities excluded from computation of earnings per share (in shares)	400,000	200,000