Note 5 - Business Combination - Restructuring Activity (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Restructuring charges, net	$ 1,695	$ 0	$ 0
Restructuring charges, net	(1,695)	$ 0	$ 0
Cash payments	(1,299)
Non-cash charges	(225)
Non-cash charges	225
Liability balance	171
Employee Severance [Member]
Restructuring charges, net	182
Restructuring charges, net	(182)
Cash payments	(182)
Non-cash charges	0
Non-cash charges	(0)
Liability balance	0
Equipment Relocation [Member]
Restructuring charges, net	482
Restructuring charges, net	(482)
Cash payments	(462)
Non-cash charges	0
Non-cash charges	(0)
Liability balance	20
Facility Closing [Member]
Restructuring charges, net	806
Restructuring charges, net	(806)
Cash payments	(655)
Non-cash charges	0
Non-cash charges	(0)
Liability balance	151
Asset Impairments [Member]
Restructuring charges, net	343
Restructuring charges, net	(343)
Cash payments	0
Non-cash charges	(343)
Non-cash charges	343
Liability balance	0
Gain on Sale of Property and Equipment [Member]
Restructuring charges, net	118
Restructuring charges, net	(118)
Cash payments	0
Non-cash charges	(118)
Non-cash charges	118
Liability balance	$ 0

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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