Note 13 - Sale of Membership Interests in Nevada Subsidiaries - Gain on Deconsolidation (Details) - USD ($)		12 Months Ended
	Dec. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Cash payments received, including advancements of $400,000		$ 1,648,772	$ 0
8% Note Receivable due December 31, 2024		3,025,000	0
Extinguishment of debt and accrued interest due to purchasers and purchasers' affiliates		2,612,854	0
Extinguishment of accrued management fees due to purchaser		850,000	0
GAIN ON DECONSOLIDATION	$ 5,206,208	$ 5,206,208	$ 0
Nevada Subsidiaries [Member]
Cash payments received, including advancements of $400,000	1,648,772
8% Note Receivable due December 31, 2024	3,025,000
Extinguishment of debt and accrued interest due to purchasers and purchasers' affiliates	2,612,854
Extinguishment of accrued management fees due to purchaser	850,000
Total consideration	8,136,626
Carrying amount of assets	7,130,159
Carrying amount of liabilities	(4,199,741)
Net assets deconsolidated	$ 2,930,418