Note 2 - Marketable Securities and Investment Other Securities (Details Textual) - USD ($)			1 Months Ended	3 Months Ended
	Apr. 07, 2022	Mar. 24, 2021	Sep. 30, 2020	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021	Jan. 13, 2021
Marketable Securities, Realized Gain (Loss)				$ 0		$ 33,350
Total Acquisition Shares (in shares)					1,042,193
Steady State, LLC [Member]
Equipment Sold Value	$ 1,800,000
Investments, Total	$ 1,400,000
Adara Sponser L L C [Member]
Payments to Acquire Additional Interest in Subsidiaries			$ 250,000
Common Stock, Value, Subscriptions							$ 750,000
Initial Public Offering Shares (in shares)		11,500,000
Equity Method Investments				$ 1,000,000
Adara Sponser L L C [Member] | Common Stock [Member]
Equity Method Investment, Ownership Percentage				4.40%
Investment Owned, Balance, Shares (in shares)				633,988
Share Price (in dollars per share)				$ 10.18
Adara Sponser L L C [Member] | Warrant [Member]
Equity Method Investment, Ownership Percentage				10.10%
Investment Owned, Balance, Shares (in shares)				1,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)				$ 0.07