Significant Accounting Policies (Policies)	6 Months Ended
Mar. 31, 2022
Accounting Policies [Abstract]
Consolidation, Policy [Policy Text Block]	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 interim financial statements and are in the form prescribed by Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for annual financial statements. The information included in this Form 10-Q should be read in conjunction with Item 7 – “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and the consolidated financial statements and notes thereto included in the Form 10-K. The accompanying unaudited 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 necessarily indicative of results for any other interim period or for a full fiscal year. The Company reports its results of operations on a fiscal year ending September 30. The accompanying unaudited 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). All significant intercompany balances and transactions have been eliminated in consolidation. The Company has one reporting segment: natural and organic retail stores.
Use of Estimates, Policy [Policy Text Block]	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, 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 valuation of inventories, useful lives of long-lived assets for depreciation and amortization, impairment of finite-lived intangible assets, long-lived assets, and goodwill, lease assumptions, allowances for self-insurance reserves, deferred tax assets and liabilities, and litigation based on currently available information. Changes in facts and circumstances may result in revised estimates and actual results could differ from those estimates.
New Accounting Pronouncements, Policy [Policy Text Block]	Recently Adopted Accounting Pronouncements In December 2019, the FASB issued ASU 2019-12, “Income Taxes,” Topic 740, “Simplifying the Accounting for Income Taxes” (ASU 2019-12). The new guidance simplified the accounting for income taxes by removing certain exceptions to the general principles and also simplifies areas such as franchise taxes, step-up in tax basis goodwill, separate entity financial statements, and interim recognition of enactment of tax laws or rate changes. The provisions of ASU 2019-12 were effective for the Company’s first quarter of the fiscal year ending September 30, 2022. The adoption of this ASU did not have an impact on the Company’s consolidated financial statements for the three and six months ended March 31, 2022. Recent Accounting Pronouncements In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses,” Topic 326, “Measurement of Credit Losses on Financial Instruments” (ASU 2016-13), subsequently amended by various standard updates. ASU 2016-13 replaces the incurred loss impairment methodology in current GAAP with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information when determining credit loss estimates. ASU 2016-13 also requires financial assets to be measured net of expected credit losses at the time of initial recognition. ASU 2019-10, issued in November 2019, delayed the effective date of ASU 2016-13 for smaller reporting companies such as the Company. The provisions of ASU 2016-13 will be effective for the Company’s first quarter of the fiscal year ending September 30, 2024. Early adoption is permitted. The Company is currently evaluating the impact that the adoption of these provisions will have on its consolidated financial statements, but does not anticipate that these provisions will have material impacts on its consolidated financial statements. In March 2020, the FASB issued ASU 2020-04, “Reference Rate Reform,” Topic 848, “Facilitation of the Effects of Reference Rate Reform on Financial Reporting” (ASU 2020-04). The new guidance provides optional expedients and exceptions for applying GAAP to contracts, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. The guidance applies only to contracts, hedging relationships and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. The interest rate currently payable under the Company’s Credit Facility is based on LIBOR; however, the terms of our Credit Facility provide for a LIBOR successor rate once LIBOR is discontinued. The guidance only applies to modifications made prior to December 31, 2022. The Company does not anticipate that this ASU will have a material impact on its consolidated financial statements.

Significant Accounting Policies (Policies)

6 Months Ended

Mar. 31, 2022

Consolidation, Policy [Policy Text Block]

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 interim financial statements and are in the form prescribed by Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for annual financial statements. The information included in this Form 10-Q should be read in conjunction with Item 7 – “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and the consolidated financial statements and notes thereto included in the Form 10-K. The accompanying unaudited 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 necessarily indicative of results for any other interim period or for a full fiscal year. The Company reports its results of operations on a fiscal year ending September 30.

The accompanying unaudited 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). All significant intercompany balances and transactions have been eliminated in consolidation.

The Company has one reporting segment: natural and organic retail stores.

Use of Estimates, Policy [Policy Text Block]

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, 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 valuation of inventories, useful lives of long-lived assets for depreciation and amortization, impairment of finite-lived intangible assets, long-lived assets, and goodwill, lease assumptions, allowances for self-insurance reserves, deferred tax assets and liabilities, and litigation based on currently available information. Changes in facts and circumstances may result in revised estimates and actual results could differ from those estimates.

New Accounting Pronouncements, Policy [Policy Text Block]

Recently Adopted Accounting Pronouncements

In December 2019, the FASB issued ASU 2019-12, “Income Taxes,” Topic 740, “Simplifying the Accounting for Income Taxes” (ASU 2019-12). The new guidance simplified the accounting for income taxes by removing certain exceptions to the general principles and also simplifies areas such as franchise taxes, step-up in tax basis goodwill, separate entity financial statements, and interim recognition of enactment of tax laws or rate changes. The provisions of ASU 2019-12 were effective for the Company’s first quarter of the fiscal year ending September 30, 2022. The adoption of this ASU did not have an impact on the Company’s consolidated financial statements for the three and six months ended March 31, 2022.

Recent Accounting Pronouncements

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses,” Topic 326, “Measurement of Credit Losses on Financial Instruments” (ASU 2016-13), subsequently amended by various standard updates. ASU 2016-13 replaces the incurred loss impairment methodology in current GAAP with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information when determining credit loss estimates. ASU 2016-13 also requires financial assets to be measured net of expected credit losses at the time of initial recognition. ASU 2019-10, issued in November 2019, delayed the effective date of ASU 2016-13 for smaller reporting companies such as the Company. The provisions of ASU 2016-13 will be effective for the Company’s first quarter of the fiscal year ending September 30, 2024. Early adoption is permitted. The Company is currently evaluating the impact that the adoption of these provisions will have on its consolidated financial statements, but does not anticipate that these provisions will have material impacts on its consolidated financial statements.

In March 2020, the FASB issued ASU 2020-04, “Reference Rate Reform,” Topic 848, “Facilitation of the Effects of Reference Rate Reform on Financial Reporting” (ASU 2020-04). The new guidance provides optional expedients and exceptions for applying GAAP to contracts, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. The guidance applies only to contracts, hedging relationships and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. The interest rate currently payable under the Company’s Credit Facility is based on LIBOR; however, the terms of our Credit Facility provide for a LIBOR successor rate once LIBOR is discontinued. The guidance only applies to modifications made prior to December 31, 2022. The Company does not anticipate that this ASU will have a material impact on its consolidated financial statements.