Note 8 - Shareholders' Equity (Details Textual) - USD ($) | | | | | | | 1 Months Ended | 3 Months Ended | 12 Months Ended | | | |
May 03, 2023 | Apr. 24, 2023 | Mar. 02, 2023 | Feb. 02, 2023 | Nov. 04, 2022 | Dec. 28, 2021 | Sep. 30, 2023 | Jul. 31, 2023 | Apr. 30, 2023 | Feb. 28, 2023 | Jan. 31, 2023 | Dec. 31, 2022 | Aug. 31, 2022 | Jun. 30, 2022 | May 31, 2022 | Apr. 30, 2022 | Mar. 31, 2022 | Jan. 31, 2022 | Oct. 31, 2021 | Oct. 31, 2019 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2023 | Sep. 30, 2022 | Aug. 30, 2023 | Jun. 01, 2023 | Feb. 01, 2023 |
Preferred Stock, Shares Authorized (in shares) | | | | | | | 50,000,000 | | | | | | | | | | | | | | 50,000,000 | | | | 50,000,000 | | | | 50,000,000 | 50,000,000 | | | |
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | | | | | | | $ 0.001 | | | | | | | | | | | | | | $ 0.001 | | | | $ 0.001 | | | | $ 0.001 | $ 0.001 | | | |
Preferred Stock, Shares Issued (in shares) | | | | | | | 5,000,000 | | | | | | | | | | | | | | 5,000,000 | | | | 5,000,000 | | | | 5,000,000 | 5,000,000 | | | |
Preferred Stock, Shares Outstanding, Ending Balance (in shares) | | | | | | | 500,000 | | | | | | | | | | | | | | 500,000 | | | | 500,000 | | | | 500,000 | 500,000 | | | |
Accrued Dividends | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 667,000 | | |
Common Stock, Shares Authorized (in shares) | | | | | | | 150,000,000 | | | | | | | | | | | | | | 150,000,000 | | | | 150,000,000 | | | | 150,000,000 | 150,000,000 | | | |
Common Stock, Par or Stated Value Per Share (in dollars per share) | | | | | | | $ 0.001 | | | | | | | | | | | | | | $ 0.001 | | | | $ 0.001 | | | | $ 0.001 | $ 0.001 | | | |
Common Stock, Shares, Issued (in shares) | | | | | | | 2,960,573 | | | | | | | | | | | | | | 2,960,573 | | | | 1,348,125 | | | | 2,960,573 | 1,348,125 | | | |
Common Stock, Shares, Outstanding (in shares) | | | | | | | 2,960,573 | | | | | | | | | | | | | | 2,960,573 | | | | 1,348,125 | | | | 2,960,573 | 1,348,125 | | | |
Proceeds from Issuance of Common Stock | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 2,478,325 | $ 0 | | | |
Stock Issued During Period, Shares, Reverse Stock Splits (in shares) | | 39,533 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares) | | | | | | | | | | | | | | | | | | | 556 | | | | | | | | | | | | | | |
Stock Issued During Period, Value, Restricted Stock Award, Gross | | | | | | | | | | | | | | | | | | | | | $ 3,996 | $ 4,845 | $ 56,801 | $ 43,449 | $ 129,959 | $ (593,617) | $ 328,515 | $ 508,754 | | | | | |
Stock Issued During Period, Value, Issued for Services | | | | | | | | | | | | | | | | | | | | | | | $ 1,400,000 | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 7,233 | 23,556 | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period (in shares) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 21,124 | 28,000 | | | |
Share-Based Payment Arrangement, Option [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price (in dollars per share) | | | | | | | | | | | | | | | | | | | | | | | | | $ 44.55 | | | | | $ 44.55 | | | |
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount | | | | | | | $ 7,858 | | | | | | | | | | | | | | 7,858 | | | | | | | | $ 7,858 | | | | |
Professional Athlete [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Issued for Services (in shares) | | | | | | | | | | | | | | | | | | 7,112 | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares) | | | | | | 10,372 | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Value, Issued for Services | | | | | | | | | | | | | | | | | | $ 336,000 | | | | | | | | | | | | | | | |
Share-Based Payment Arrangement, Expense | | | | | $ 885,000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
A New Executive [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) | | | | | | | | | | | | | 667 | | | | | | | | | | | | | | | | | | | | |
Option Indexed to Issuer's Equity, Strike Price (in dollars per share) | | | | | | | | | | | | | $ 25.56 | | $ 38 | | | | | | | | | | | | | | | | | | |
A New Executive [Member] | Share-Based Payment Arrangement, Option [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) | | | | | | | | | | | | | | | 9,000 | | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) | | | | | | | | | | | | | 5 years | | 5 years | | | | | | | | | | | | | | | | | | |
Share-Based Payment Arrangement, Expense | | | | | | | | | | | | | $ 10,290 | | $ 176,985 | | | | | | | | | | | | | | | | | | |
Consultant [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) | | | | | | | | | | | | | | | | 4,445 | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) | | | | | | | | | | | | | | | | 5 years | | | | | | | | | | | | | | | | | |
Share-Based Payment Arrangement, Expense | | | | | | | | | | | | | | | | $ 131,300 | | | | | | | | | | | | | | | | | |
Share-Based Payment Arrangement, Employee [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares) | | | | | | | | | | | | | | | | | | 667 | | | | | | | | | | | | | | | |
Stock Issued During Period, Value, Restricted Stock Award, Gross | | | | | | | | | | | | | | | | | | $ 29,250 | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) | | | | | | | | | | | 2,334 | 2,223 | | | | 2,223 | | 2,889 | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value | | | | | | | | | | | $ 15,225 | | | | | | | | | | | | | | | | | | | | | | |
Option Indexed to Issuer's Equity, Strike Price (in dollars per share) | | | | | | | | | | | | | | | | $ 45 | | | | | | | | | | | | | | | | | |
Share-Based Payment Arrangement, Employee [Member] | Vesting Annually Over Three Years [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) | | | | | | | | | | | | 1,667 | | | | | | | | | | | | | | | | | | | | | |
Share-Based Payment Arrangement, Expense | | | | | | | | | | | | $ 13,150 | | | | | | | | | | | | | | | | | | | | | |
Share-Based Payment Arrangement, Employee [Member] | Vest Upon Achieving Certain Revenue Performance [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) | | | | | | | | | | | | 556 | | | | | | | | | | | | | | | | | | | | | |
Share-Based Payment Arrangement, Employee [Member] | Share-Based Payment Arrangement, Option [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price (in dollars per share) | | | | | | | | | | | $ 10.53 | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) | | | | | | | | | | | 5 years | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Payment Arrangement, Expense | | | | | | | | | | | | | | | | | | | | | | | | | | 79,500 | | | | | | | |
Share-Based Payment Arrangement, Employee [Member] | Share-Based Payment Arrangement, Option [Member] | Vesting Annually Over Three Years [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price (in dollars per share) | | | | | | | | | | | | $ 11.25 | | | | | | | | | | | | $ 11.25 | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) | | | | | | | | | | | | 5 years | | | | | | | | | | | | | | | | | | | | | |
Director [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares) | | | | | | | | | | | | | 112 | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Value, Restricted Stock Award, Gross | | | | | | | | | | | | | $ 2,854 | | | | | | | | | | | | | | | | | | | | |
Board of Directors [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) | | | | | | | | | | 2,667 | | | | | | | 2,667 | | | | | | | | | | | | | | | | |
Board of Directors [Member] | Share-Based Payment Arrangement, Option [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price (in dollars per share) | | | | | | | | | | $ 12.6 | | | | | | | $ 36.81 | | | | | | | | | | $ 36.81 | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) | | | | | | | | | | 5 years | | | | | | | 5 years | | | | | | | | | | | | | | | | |
Share-Based Payment Arrangement, Expense | | | | | | | | | | $ 21,120 | | | | | | | $ 57,000 | | | | | | | | | | | | | | | | |
Chief Executive Officer [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) | | | | | | | | | | | | | | | | | | | 1,667 | | | | | | | | | | | | | | |
Chief Executive Officer [Member] | Share-Based Payment Arrangement, Option [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Payment Arrangement, Expense | | | | | | | | | | | | | | | | | | | | | $ 23,025 | | | | | | | | $ 46,050 | | | | |
Warrants With Public Offering [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | 40,500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ 2.52 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Twenty Two Capital [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Acquisitions (in shares) | | | | | | | | | | | 2,223 | | | | | | | | | | | | | | | | | | | | | | |
Consultant [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Option Indexed to Issuer's Equity, Strike Price (in dollars per share) | | | | | | | | | | | | | | | | $ 45 | | | | | | | | | | | | | | | | | |
Consultant [Member] | Vesting 6 Months From Effective Date [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares (in shares) | | | | | | | | | | | | | | | | 50,000 | | | | | | | | | | | | | | | | | |
Consultant [Member] | Vesting Upon Renewal of Consulting Agreement [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares (in shares) | | | | | | | | | | | | | | | | 2,223 | | | | | | | | | | | | | | | | | |
Consultant [Member] | Equity Compensation Plan [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Issued for Services (in shares) | | | | | | | | | | | | | 2,223 | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Value, Issued for Services | | | | | | | | | | | | | $ 41,000 | | | | | | | | | | | | | | | | | | | | |
Former Executive Officer [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period (in shares) | | | | | | | | | | | | | | 16,667 | | | | | | | | | | | | | | | | | | | |
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount | | | | | | | | | | | | | | $ 555,286 | | | | | | | | | | | | $ 555,286 | | | | | | | |
Former Executive Officer [Member] | Share-Based Payment Arrangement, Option [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share-Based Payment Arrangement, Reversal of Expense | | | | | | | | | | | | | | $ 604,714 | | | | | | | | | | | | | | | | | | | |
Purchase Agreement [Member] | Keystone [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, New Issues (in shares) | | | | | | | 102,616 | 2,616 | | | | | | | | | | | | | | | | | | | | | | | | | |
Public Offering [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, New Issues (in shares) | 1,350,000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Shares Issued, Price Per Share (in dollars per share) | $ 2.1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Proceeds from Issuance of Common Stock | $ 2,800,000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Proceeds From Issuance of Common Stock, Net | $ 2,500,000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Value, Issued for Services | | | | | | | | | | | | | | | | | | | | | | 133,200 | | | | | | | | | | | |
Over-Allotment Option [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, New Issues (in shares) | 202,500 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Advertising Placement Agreement [Member] | a360 Media, LLC [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Shares Issued, Price Per Share (in dollars per share) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 14.85 |
Stock Issued During Period, Shares, Issued for Services (in shares) | | | | 134,681 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Agreement for Advertising Placement, Credit for Media Support and Advertising Placement | | | | | | | | | | | | | | | | | | | | | | 2,000,000 | | | | | | | | | | | |
Agreement for Advertising Placement, Unutilized Amount | | | | | | | | | | | | | | | | | | | | | | $ 514,904 | | | | | | | | | | | |
Percentage of Shares Fully Vested | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 70% | |
Percentage of Shares Vest Upon Each Advertising Placement | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 15% | |
Percentage of Shares Vest Provided No Restrictions in Product Categories | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 15% | |
Common Stock Earnout Shares [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares) | | | | | | | | | | | | | 9,101 | | 10,198 | | 9,873 | | | | | | | | | | | | | | | | |
Series A Cumulative Convertible Preferred Stock [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Preferred Stock, Shares Authorized (in shares) | | | | | | | | | | | | | | | | | | | | 5,000,000 | | | | | | | | | | | | | |
Preferred Stock, Dividend Rate, Percentage | | | | | | | | | | | | | | | | | | | | 8% | | | | | | | | | 8% | | | | |
Preferred Stock, Shares Issued (in shares) | | | | | | | 5,000,000 | | | | | | | | | | | | | | 5,000,000 | | | | 5,000,000 | | | | 5,000,000 | 5,000,000 | | | |
Preferred Stock, Shares Outstanding, Ending Balance (in shares) | | | | | | | 5,000,000 | | | | | | | | | | | | | | 5,000,000 | | | | 5,000,000 | | | | 5,000,000 | 5,000,000 | | | |
Dividends, Cash, Total | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 4,002,000 | $ 4,002,005 | | | |
Commitment Shares [Member] | Keystone [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, New Issues (in shares) | | | 2,616 | | | | | | 8,889 | | | | | | | | | | | | | | | | | | | | | | | | |
Purchase Commitment, Maximum Shares Commitment (in shares) | | | 281,934 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share Number, Stock Issuable (in shares) | | | 6,104 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Number of Shares Registered for Resale (in shares) | | | 281,934 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |