Note 2 - Discontinued Operations - Schedule of Disposal Groups Including Discontinued Operations (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Total current assets of discontinued operations	$ 53,649	$ 79,249
Total assets of discontinued operations	0	902,665
Net (loss) from discontinued operations	(1,804,183)	(1,966,406)
Total current liabilities of discontinued operations	164,771	174,839
Birmingham Laboratory [Member] | Discontinued Operations, Disposed of by Sale [Member]
Revenue	32,790	152,396
Accounts receivable, net	34,853	56,056
Cost of sales	3,295	25,328
Inventories	0	13,571
Gross profit (loss) from discontinued operations	29,495	127,068
Prepaid expense and other assets	18,796	9,622
Total current assets of discontinued operations	53,649	79,249
General and administrative expense	855,855	1,047,578
Property and equipment, net	0	742,696
Operations expense	506,011	859,360
Intangibles, net	0	11,118
Sales and marketing expense	4,385	23,722
Lease right-of-use assets	0	130,264
Loss on impairment of property and equipment	0	162,905
Other long-term assets	0	18,587
Total operating expenses	1,366,251	2,093,565
Total assets of discontinued operations	53,649	981,914
Total operating (loss) from discontinued operations	(1,336,756)	(1,966,497)
Loss on disposal of discontinued operations	(463,127)	0
Accounts payable	0	7,964
Other income (expense)	(4,300)	91
Accrued expenses and other liabilities	75,731	94,345
Net (loss) from discontinued operations	(1,804,183)	(1,966,406)
Lease liability	89,040	72,530
Total current liabilities of discontinued operations	164,771	174,839
Lease liability – net of current portion	0	58,002
Total liabilities	$ 164,771	$ 232,841