XML 13 R9999.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2
Label Element Value
Document Type dei_DocumentType 485BPOS
Entity Central Index Key dei_EntityCentralIndexKey 0000005138
Entity Inv Company Type dei_EntityInvCompanyType N-1A
Amendment Flag dei_AmendmentFlag false
Entity Registrant Name dei_EntityRegistrantName AMERICAN GROWTH FUND, INC.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone (800) 525-2406
C 000033067 [Member] | C 000033068 [Member]  
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 $ 3,155
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
S 000012125 [Member] | C 000033069 [Member]  
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 6,042
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice 5.00%
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 $ 3,368
Exchange Fee (as a percentage of Amount Redeemed) rr_ExchangeFeeOverRedemption none
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 $ 703
Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther none
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 $ 2,064
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 1.00%
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
1 Year rr_AverageAnnualReturnYear01 (22.39%)
5 Years rr_AverageAnnualReturnYear05 6.62%
Redemption Fee (as a percentage of Amount Redeemed) rr_RedemptionFeeOverRedemption none
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
10 Years rr_AverageAnnualReturnYear10 7.89%
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 6,042
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 3,668
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 1,203
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 7.10%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 5.10%
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 $ 2,464
S 000012125 [Member] | C 000033067 [Member]  
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 5,379
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 $ 2,985
Exchange Fee (as a percentage of Amount Redeemed) rr_ExchangeFeeOverRedemption none
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 $ 1,058
Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther none
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 $ 2,023
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 1.00%
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 5.75%
1 Year rr_AverageAnnualReturnYear01 (20.51%)
5 Years rr_AverageAnnualReturnYear05 10.14%
Redemption Fee (as a percentage of Amount Redeemed) rr_RedemptionFeeOverRedemption none
10 Years rr_AverageAnnualReturnYear10 11.26%
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 5,379
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 2,985
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 1,058
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 5.13%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 4.13%
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 $ 2,023
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets none
S 000012125 [Member] | C 000033070 [Member]  
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 5,775
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice 1.00%
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 $ 3,102
Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther none
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 $ 1,888
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 1.00%
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
1 Year rr_AverageAnnualReturnYear01 (21.61%)
5 Years rr_AverageAnnualReturnYear05 8.88%
Redemption Fee (as a percentage of Amount Redeemed) rr_RedemptionFeeOverRedemption none
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
10 Years rr_AverageAnnualReturnYear10 8.32%
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 5,775
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 3,102
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 738
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 6.43%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 4.43%
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 $ 1,888
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets none
S 000012125 [Member] | S 000012125 [Member]  
Exchange Fee (as a percentage of Amount Redeemed) rr_ExchangeFeeOverRedemption none
S 000012125 [Member] | Standard Poors 500 Index [Member]  
1 Year rr_AverageAnnualReturnYear01 (18.03%)
5 Years rr_AverageAnnualReturnYear05 13.34%
10 Years rr_AverageAnnualReturnYear10 14.63%
S 000012125 [Member] | C 000033068 [Member]  
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 5,664
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 21.79%
Exchange Fee (as a percentage of Amount Redeemed) rr_ExchangeFeeOverRedemption none
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 $ 1,097
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 $ 638
Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther none
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest quarterly return
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor´s tax situation and may differ from those shown, and after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts;
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (18.25%)
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 $ 2,131
Year to Date Return, Label rr_YearToDateReturnLabel Year to date performance
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns are shown for only Class D and after-tax returns for other Classes will vary.
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Sep. 30, 2023
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 1.00%
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 11.66%
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 5.75%
1 Year rr_AverageAnnualReturnYear01 (20.72%)
5 Years rr_AverageAnnualReturnYear05 9.76%
Redemption Fee (as a percentage of Amount Redeemed) rr_RedemptionFeeOverRedemption none
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.30%
10 Years rr_AverageAnnualReturnYear10 10.88%
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 5,664
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 3,155
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 1,097
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 5.55%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 4.25%
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 $ 2,131
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets none
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets none
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.americangrowthfund.com
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest quarterly return
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes;