XML 56 R42.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Income Taxes (Narrative) (Details) - USD ($) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 26, 2017 | Sep. 27, 2016 | Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2012
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Net operating loss carry forwards | $ 3,057,000 |  | $ 1,915,000 | $ 5,713,000 |
Operating loss carry-forwards utilization limit |  |  |  |  | $ 160,000
General business tax credits | $ 1,378,000 | $ 1,378,000 |  |  |
Minimum [Member] |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Operating Loss Carryforwards, Expiration year | 2025 |  |  |  |
General business tax credits expiration year | 2034 |  |  |  |
Maximum [Member] |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Operating Loss Carryforwards, Expiration year | 2037 |  |  |  |
General business tax credits expiration year | 2037 |  |  |  |

X
- Definition General business tax credits expiration year. + References No definition available. + Details
Name: | gtim_GeneralBusinessTaxCreditsExpirationYear
Namespace Prefix: | gtim_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Operating Loss Carryforwards, Expiration Year + References No definition available. + Details
Name: | gtim_OperatingLossCarryforwardsExpirationYear
Namespace Prefix: | gtim_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Operating Loss Carryforwards Subject To Limitation + References No definition available. + Details
Name: | gtim_OperatingLossCarryforwardsSubjectToLimitation
Namespace Prefix: | gtim_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition A credit or adjustment for government or taxing authority authorized decrease in taxes owed as a result of meeting certain tax policy conditions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
Name: | us-gaap_IncomeTaxCreditsAndAdjustments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
Name: | us-gaap_OperatingLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_OperatingLossCarryforwardsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |