Note 6 - Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	Jan. 02, 2021	Oct. 03, 2020
Gross	$ 12,320	$ 13,780
Accumulated Amortization	(3,989)	(5,213)
Net Book Value	8,331	8,567
Customer Relationships [Member]
Gross	9,870	9,870
Accumulated Amortization	(2,996)	(2,837)
Net Book Value	6,874	7,033
Technology-Based Intangible Assets [Member]
Gross	1,800	1,800
Accumulated Amortization	(572)	(551)
Net Book Value	1,228	1,249
Noncompete Agreements [Member]
Gross	400	1,860
Accumulated Amortization	(224)	(1,663)
Net Book Value	176	197
Trade Names [Member]
Gross	250	250
Accumulated Amortization	(197)	(162)
Net Book Value	$ 53	$ 88