Note 5 - Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Jul. 01, 2017	Oct. 01, 2016
Accumulated Amortization	$ (3,682)	$ (2,814)
Net Book Value	8,195	9,063
Gross Amount	11,877	11,877
Customer Relationships [Member]
Accumulated Amortization	(937)	(693)
Net Book Value	5,563	5,807
Gross Amount	6,500	6,500
Technology-Based Intangible Assets [Member]
Accumulated Amortization	(260)	(192)
Net Book Value	1,540	1,608
Gross Amount	1,800	1,800
Noncompete Agreements [Member]
Accumulated Amortization	(2,485)	(1,929)
Net Book Value	1,092	1,648
Gross Amount	$ 3,577	$ 3,577