Represents the amount of lease purchase option exercised.

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Represents the approximate length of time for which the Company's non-cancelable purchase commitments extend.

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The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

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Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.

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Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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No definition available.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.

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Note 12 - Commitments and Contingencies (Details Textual) - USD ($)	12 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017	Oct. 02, 2017
Operating Leases, Rent Expense, Total	$ 1,600,000	$ 1,500,000	$ 1,800,000
Operating Leases, Future Minimum Payments Due, Next Twelve Months	1,000,000
Operating Leases, Future Minimum Payments, Due in Two Years	666,000
Operating Leases, Future Minimum Payments, Due in Three Years	256,000
Operating Leases, Future Minimum Payments, Due in Four Years	61,000
Operating Leases, Future Minimum Payments, Due Thereafter	47,000
Non-cancelable Purchase Commitment for Raw Material [Member]
Purchase Commitment, Remaining Minimum Amount Committed	$ 23,800,000
Non-cancelable Purchase Commitment Term	100 days
Purchase Commitment for Equipment [Member]
Purchase Commitment, Remaining Minimum Amount Committed	$ 2,800,000
Leased Facility in Houston, Texas [Member]
Lease Purchase Option Exercised				$ 4,900,000
Fire [Member]
Insurance Recoveries	2,200,000	183,000
Insurance Settlements Receivable		462,000
Fire [Member] \| Other Income [Member]
Insurance Recoveries	1,100,000
Fire [Member] \| Cost of Sales [Member]
Insurance Recoveries	645,000
Fire [Member] \| Selling, General and Administrative Expenses [Member]
Insurance Recoveries	48,000
Storm [Member]
Insurance Recoveries	150,000	439,000
Insurance Settlements Receivable		52,000
Storm [Member] \| Other Income [Member]
Insurance Recoveries	$ 98,000	26,000
Storm [Member] \| Cost of Sales [Member]
Insurance Recoveries		439,000
Storm [Member] \| Selling, General and Administrative Expenses [Member]
Insurance Recoveries		$ 26,000