Note 14 - Segments - Segments (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Revenue		$ 1,780,093	$ 1,505,459
Assets	$ 25,734,644	14,417,249	25,734,644
Depreciation and Amortization		(739,316)	(1,313,075)
Expenditures for additions to long-lived assets		302,371	475,697
Impairment expense – long-lived tangible assets	(185,469)	(162,905)	(185,469)
Impairment		0	(7,231,093)
Net loss		(13,983,967)	(25,737,634)
Impairment expense – intangibles	(3,349,375)	0	(3,349,375)
Corporate, Non-Segment [Member]
Revenue		0	889
Assets	22,379,588	8,782,034	22,379,588
Depreciation and Amortization		(7,381)	(69,215)
Expenditures for additions to long-lived assets		15,437	212,365
Impairment expense – long-lived tangible assets		0	(69,694)
Impairment			0
Net loss		(6,544,374)	(7,761,371)
Impairment expense – intangibles			0
Pittsburgh [Member] | Operating Segments [Member]
Revenue		492,596	358,776
Assets	1,055,228	3,263,270	1,055,228
Depreciation and Amortization		(207,658)	(836,671)
Expenditures for additions to long-lived assets		7,424	76,636
Impairment expense – long-lived tangible assets		0	0
Impairment			(7,231,093)
Net loss		(4,503,906)	(15,741,206)
Impairment expense – intangibles			(3,349,375)
Birmingham [Member] | Operating Segments [Member]
Revenue		152,396	82,301
Assets	1,353,434	981,914	1,353,434
Depreciation and Amortization		(494,527)	(378,708)
Expenditures for additions to long-lived assets		254,819	157,334
Impairment expense – long-lived tangible assets		(162,905)	(115,775)
Impairment			0
Net loss		(1,966,406)	(1,817,283)
Impairment expense – intangibles			0
Eagan [Member] | Operating Segments [Member]
Revenue		1,135,101	1,063,493
Assets	$ 946,394	1,390,031	946,394
Depreciation and Amortization		(29,750)	(28,481)
Expenditures for additions to long-lived assets		24,691	29,362
Impairment expense – long-lived tangible assets		0	0
Impairment			0
Net loss		$ (969,281)	(417,774)
Impairment expense – intangibles			$ 0