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Retirement Plan (Details) - USD ($) | 12 Months Ended
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Sep. 26, 2017 | Sep. 27, 2016
Retirement Benefits [Abstract] |  |
Percentage of gross pay matched by employer on dollar-for-dollar basis | 3.00% |
Percentage of each dollar of employee contributions matched by employer | 50.00% |
Maximum employee contribution percentage | 5.00% |
Matching contributions | $ 122,000 | $ 123,000

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- References No definition available. + Details
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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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