Note 8 - Shareholders' Equity (Details Textual)				1 Months Ended								9 Months Ended	12 Months Ended
	Sep. 29, 2025 $ / shares shares	May 06, 2025 shares	Apr. 10, 2025 shares	Aug. 31, 2025 shares	May 31, 2025 shares	Apr. 30, 2025 USD ($) shares	Sep. 30, 2024 $ / shares shares	Aug. 31, 2024 shares	Apr. 30, 2024 USD ($) $ / shares shares	Mar. 31, 2024 USD ($) shares	Jan. 31, 2024 shares	Jun. 30, 2025 shares	Sep. 30, 2025 $ / shares shares	Sep. 30, 2024 USD ($) $ / shares shares	Sep. 30, 2023	Oct. 31, 2019 shares
Preferred Stock, Shares Authorized (in shares)							50,000,000						50,000,000	50,000,000		50,000,000
Preferred Stock, Shares Outstanding (in shares)							5,000,000						1,700,000	5,000,000
Common Stock, Shares Authorized (in shares)							150,000,000						150,000,000	150,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares							$ 0.001						$ 0.001	$ 0.001
Common Stock, Shares, Issued (in shares)							492,383						8,917,054	492,383
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares							$ 0.001						$ 0.001	$ 0.001
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)													0
Common Stock, Shares, Outstanding (in shares)							492,383						8,917,054	492,383
Cure Based Development, Llc [Member]
Stock Issued During Period, Shares, Acquisitions (in shares)											2,478
Majik Medicines [Member]
Stock Issued During Period, Shares, New Issues (in shares)				6,250				9,375
Keystone [Member]
Stock Issued During Period, Shares, New Issues (in shares)											8,027
Consultant [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)													21,875
Board of Directors [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)									1,000				0
Conversion of Notes into Common Stock [Member]
Stock Issued During Period, Shares, Conversion of Convertible Securities (in shares)													267,597
Debt Conversion, Converted Instrument, Shares Issued (in shares)							12,578		89,279			267,597
Restricted Stock [Member] | Board of Directors [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)						9,432				2,000				2,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Granted in Period, Fair Value | $						$ 8,964				$ 13,760				$ 4,296
Restricted Stock [Member] | The 2015 Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)													1,875
Share-Based Payment Arrangement, Option [Member] | Board of Directors [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price (in dollars per share) | $ / shares									$ 0.86
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)									5 years
Share-Based Payment Arrangement, Expense | $									$ 4,300
Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)													5 years
Minimum [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) | $ / shares							$ 0.54							$ 0.54
Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)													10 years
Conversion of Preferred Stock to Common Stock [Member]
Convertible Preferred Stock, Shares Issued upon Conversion (in shares)			13
Stock Issued During Period, Shares, Conversion of Convertible Securities (in shares)		65,000,000
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio		8
Reverse Stock Split [Member] | Minimum [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio			3
Reverse Stock Split [Member] | Maximum [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio			10
Conversion of Series A Preferred Stock into Common Stock [Member]
Conversion of Stock, Shares Issued (in shares)					8,125,000
Series A Cumulative Convertible Preferred Stock [Member]
Preferred Stock, Shares Authorized (in shares)																5,000,000
Preferred Stock, Dividend Rate, Percentage															8.00%
Preferred Stock, Shares Outstanding (in shares)							5,000,000							5,000,000
Roundup Shares [Member]
Stock Issued During Period, Shares, New Issues (in shares)		89
Series B Convertible Preferred Stock [Member]
Preferred Stock, Shares Authorized (in shares)	1,700,000
Preferred Stock, Dividend Rate, Percentage	10.00%
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares	$ 0.001
Preferred Stock, Convertible, Conversion Price (in dollars per share) | $ / shares	$ 1
Preferred Stock, Convertible, Maximum Ownership Percentage	4.99%