Note 5 - Intangible Assets (Details Textual) - USD ($)			1 Months Ended	7 Months Ended	9 Months Ended	12 Months Ended
	Apr. 03, 2019	Sep. 12, 2016	Mar. 31, 2018	Sep. 30, 2018	Sep. 30, 2020	Dec. 31, 2019
Stock Issued During Period, Value, Purchase of Assets			$ 5,000,000
Development of Acquired Technology, Annual Compensation for Specialist		$ 200,000
Noncash or Part Noncash Acquisition, Noncash Consideration, Liability Incurred	$ 4,380,000
Contingent Consideration Classified as Equity, Fair Value Disclosure					$ 720,000	$ 720,000
Impairment of Real Estate					$ 0	$ 0
Finite-Lived Intangible Asset, Useful Life (Year)					16 years
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months					$ 424,812
Finite-Lived Intangible Asset, Expected Amortization, Year Twelve					283,215
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 Four					424,812
Finite-Lived Intangible Asset, Expected Amortization, Year Five					424,812
Finite-Lived Intangible Asset, Expected Amortization, Year Six					424,812
Finite-Lived Intangible Asset, Expected Amortization, Year Seven					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
Finite-Lived Intangible Asset, Expected Amortization, Year Eleven					$ 424,812
Tesla Digital [Member]
Stock Issued During Period, Shares, Purchase of Assets (in shares)				1,000,000
Patented Technology [Member]
Stock Issued During Period, Value, Purchase of Assets		5,000,000
Noncash or Part Noncash Acquisition, Noncash Consideration, Carrying Value of Properties to be Transferred		2,161,467
Noncash or Part Noncash Acquisition, Noncash Consideration, Original Cost of Property Transferred		$ 202,666