Note 8 - Intangible Assets (Details Textual) - USD ($)			7 Months Ended	12 Months Ended
	Oct. 07, 2021	Sep. 12, 2016	Sep. 30, 2018	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 2021	Jul. 09, 2021
Development of Acquired Technology, Annual Compensation for Specialist		$ 200,000
Contingent Consideration Classified as Equity, Fair Value Disclosure					$ 1,380,000
Gain (Loss) on Settlement of Lighting Patent Purchase, Including Shares Issued				$ (1,331,814)	(0)
Impairment of Real Estate				0	$ 0
Lighting Patent [Member]
Finite-Lived Intangible Asset, Expected Amortization, Year One				424,812
Finite-Lived Intangible Asset, Expected Amortization, Year Eleven						$ 283,215
Finite-Lived Intangible Asset, Expected Amortization, Year Four				424,812
Finite-Lived Intangible Asset, Expected Amortization, Year Five				424,812
Finite-Lived Intangible Asset, Expected Amortization, Year Seven				424,812
Finite-Lived Intangible Asset, Expected Amortization, Year Two				424,812
Finite-Lived Intangible Asset, Expected Amortization, Year Three				424,812
Finite-Lived Intangible Asset, Expected Amortization, Year Six				424,812
Finite-Lived Intangible Asset, Expected Amortization, Year Eight				424,812
Finite-Lived Intangible Asset, Expected Amortization, Year Nine				424,812
Finite-Lived Intangible Asset, Expected Amortization, Year Ten				$ 424,812
Customers Relationships and Trade Names [Member]
Finite-Lived Intangible Asset, Expected Amortization, Year One							$ 29,300
Finite-Lived Intangible Asset, Expected Amortization, Year Four							25,400
Finite-Lived Intangible Asset, Expected Amortization, Year Five							21,400
Finite-Lived Intangible Asset, Expected Amortization, Year Seven							32,100
Finite-Lived Intangible Asset, Expected Amortization, Year Two							29,300
Finite-Lived Intangible Asset, Expected Amortization, Year Three							29,300
Finite-Lived Intangible Asset, Expected Amortization, Year Six							21,400
Finite-Lived Intangible Asset, Expected Amortization, Year Eight							$ 32,100
Tesla Digital Transaction [Member]
Stock Issued During Period, Shares, Purchase of Assets (in shares)	5,000,000
Stock Issued During Period, Value, Purchase of Assets	$ 2,042,500
Stock Issued During Period, Purchase of Assets, Expense	1,634,000
Asset Acquisition, Liabilities Assumed	302,186
Gain (Loss) on Settlement of Lighting Patent Purchase, Including Shares Issued	$ (1,331,814)
Tesla Digital [Member]
Stock Issued During Period, Shares, Purchase of Assets (in shares)			1,000,000