Basis of Presentation and Significant Accounting Policies [Text Block] | 2 . Basis of Presentation and Summary of Significant Accounting Policies Consolidated Financial Statements The accompanying unaudited consolidated financial statements of the Company have been prepared in accordance with U.S. generally accepted accounting principles (GAAP) for inte rim financial statements and are in the form prescribed by Article 10 X. not 10 7 10 . The accompanying consolidated financial statements reflect all adjustments, consisting of normal recurring adjustments, considered necessary for a fair presentation of the Company’s financial results. Interim results are not September 30. The accompanying consolidated financial statements include all the accounts of the holding company’s wholly owned subsidiaries, Vitamin Cottage Natural Food Markets, Inc. (the operating company) and Vitamin Cottage Two Ltd. Liability Company ( VC2 The Company has one : natural and organic retail stores. Sales from the Company’s natural and organic retail stores are derived from sales of the following product categories, which are presented as a percentage of sales for the three December 31, 2017 2016, Three months ended December 31, 201 7 201 6 Grocery 67 % 66 Dietary supplements 22 22 Other 11 12 100 % 100 Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities (including the fair value of assets acquired and liabilities assumed in a business combination), the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Management reviews its estimates on an ongoing basis, including those related to allowances for self-insurance reserves, valuation of inventories, useful lives of property and equipment for depreciation and amortization, impairment of finite-lived intangible, long-lived assets, and goodwill, lease assumptions, valuation allowances for deferred tax assets and litigation based on currently available information. Changes in facts and circumstances may U.S Tax Reform On December 22, 2017, Reform Act). The Tax Reform Act significantly revises the future ongoing federal income tax by, among other things, lowering U.S. corporate income tax rates effective January 1, 2018. 24.3% September 30, 2018 21.0% three December 31, 2017, $4.3 The changes included in the Tax Reform Act are broad and complex. The final transition impacts of the Tax Reform Act may 118 118 740, 740 December 22, 2017 ( 118 one September 30, 2018. Recently Adopted Accounting Pronouncements In July 2015, Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) 2015 11, 330, 2015 11 2015 11, first 2015 11 2015 11 December 15, 2016 2015 11 October 1, 2017. not In March 2016, 2016 09, 718, 2016 09 2016 09 2016 09 not three December 31, 2017. In addition, under ASU 2016 09, three December 31, 2017, no The Company has elected to continue to estimate the number of share-based awards expected to vest, as permitted by ASU 2016 09, ASU 2016 09 2,879 three December 31, 2017. Recent Accounting Pronouncements In January 2017, FASB issued ASU 2017 04, 350, 2017 04 2017 04 first two not January 1, 2017 first September 30, 2020. In February 2016, 2016 02, 842, 2016 02 ASU No. 2016 02 12 2016 02 2016 02 first September 30, 2020, However, during December 2017, 2016 02 2018 2019 not adoption of ASU 2016 02 2016 02 In May 2014, 2014 09 , “Revenue from Contracts with Customers,” Topic 606, 2014 09 2014 09 2014 09’s 2014 09 July 2015, 2015 14, 2014 09, one December 15, 2017. December 15, 2016. 2014 09 first September 30, 2019. 2014 09 2015 14, No. 2016 08, 606, 2016 08” March 2016 No. 2016 12, 606, 2016 12” May 2016. The amendments in ASU 2016 08 2016 12 2016 08 2016 12 2014 09. 2014 09, 2016 08 2016 12 not 2014 09, 2016 08 2016 12. |