Note 2 - Liquidity and Summary of Significant Accounting Principles (Details Textual) - USD ($)	2 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Proceeds from Warrant Exercises		$ 151,200	$ 0
Retained Earnings (Accumulated Deficit)	$ (31,185,113)	(31,185,113)		$ (29,936,241)
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents	473,040	473,040	399,371	928,681	$ 2,106,208
Cash, Uninsured Amount	500,000	500,000
Accounts Receivable, Credit Loss Expense (Reversal)		17,500	0	160,000
Accounts Receivable, Allowance for Credit Loss	49,900	49,900		32,400
Inventory, Finished Goods, Gross	130,000	130,000		150,000
Inventory, Raw Materials, Gross	87,000	87,000		60,000
Inventory Valuation Reserves	$ 16,000	$ 16,000		16,000
Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	1 year	1 year
Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	6 years	6 years
Asset Pledged as Collateral [Member] | Corporate Credit Card [Member]
Restricted Cash			$ 55,000
Private Placement [Member]
Proceeds from Issuance of Private Placement	$ 650,875	$ 650,875		$ 1,997,500