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Note 5 - Restructuring Charges and Acquisition Costs - Summaries of the Restructuring Activities and Associated Costs Incurred (Details) - USD ($) | 12 Months Ended
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Oct. 03, 2015 | Sep. 27, 2014
Other Restructuring [Member] |  |
Liability | $ 0 |
Restructuring charges (recoveries) | 543,000 | $ 0
Cash payments | 0 | 0
Non-cash charges | (543,000) |
Liability | 0 | 0
Equipment Relocation Costs [Member] |  |
Liability | 0 |
Restructuring charges (recoveries) | 79,000 | 0
Cash payments | (79,000) | 0
Non-cash charges | 0 |
Liability | 0 | 0
Employee Severance [Member] |  |
Liability | 1,208,000 |
Restructuring charges (recoveries) | 75,000 | 1,247,000
Cash payments | (548,000) | (39,000)
Non-cash charges | 0 |
Liability | 735,000 | 1,208,000
Facility Closing [Member] |  |
Liability | 0 |
Restructuring charges (recoveries) | 547,000 | 0
Cash payments | (547,000) | 0
Non-cash charges | 0 |
Liability | 0 | 0
Gain on Sale of Property and Equipment [Member] |  |
Liability | 0 |
Restructuring charges (recoveries) |  | 0
Restructuring charges (recoveries) | (895,000) |
Cash payments | 0 | 0
Non-cash charges | 895,000 |
Liability | 0 | 0
Liability | 1,208,000 |
Restructuring charges (recoveries) | 349,000 | 1,247,000
Cash payments | (1,174,000) | (39,000)
Non-cash charges | 352,000 |
Liability | $ 735,000 | $ 1,208,000

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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