Summary of Warrants Outstanding and Fair Values (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 03, 2022	Mar. 28, 2021	Apr. 03, 2022	Mar. 28, 2021
Gain on change in fair value of warrant liability		$ 169		$ (858)
Warrant [Member]
Warrant liability, fair value outstanding, beginning				4,125,200
Fair value per share, beginning				$ 0.62
Fair value of warrant liability, beginning				$ 2,544
Gain on change in fair value of warrant liability				$ (858)
Warrant liability, fair value outstanding, ending		4,125,200		4,125,200
Fair value per share, ending		$ 0.41		$ 0.41
Fair value of warrant liability, ending		$ 1,686		$ 1,686