Note 11 - Subsequent Events (Details Textual)		6 Months Ended
	Aug. 12, 2024 USD ($) $ / shares shares	Jun. 30, 2024 USD ($) $ / shares	Jun. 30, 2023 USD ($)	Dec. 31, 2023 $ / shares
Common Stock, Par or Stated Value Per Share | $ / shares		$ 0.005		$ 0.005
Proceeds from Issuance of Common Stock		$ 0	$ (55,000)
Subsequent Event [Member] | Stock Purchase Agreement [Member]
Sale of Stock, Price Per Share | $ / shares	$ 2.35
Significant Transaction, Estimated Savings	$ 900,000
Subsequent Event [Member] | Stock Purchase Agreement [Member] | Working Capital [Member]
Proceeds from Issuance of Common Stock	$ 500,000
Subsequent Event [Member] | Maximum [Member] | Stock Purchase Agreement [Member]
Sale of Stock, Number of Shares Issued in Transaction | shares	1,595,744
Sale of Stock, Consideration Received on Transaction	$ 3,750,000
Reverse Stock Split [Member] | Subsequent Event [Member]
Common Stock, Par or Stated Value Per Share | $ / shares	$ 0.005
Stockholders' Equity, Reverse Stock Split, Cash Per Share for Rounding | $ / shares	$ 2.35
Stock Issued During Period, Shares, Reverse Stock Splits | shares	1,200,000
Stockholders' Equity, Reverse Stock Split, Percentage of Shares Eliminated	21.00%
Adjustments to Additional Paid in Capital, Stock Split	$ 2,800,000
Professional Fees	$ 700,000
Reverse Stock Split [Member] | Subsequent Event [Member] | Minimum [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	4,000
Reverse Stock Split [Member] | Subsequent Event [Member] | Maximum [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	6,000
Reverse Stock Split [Member] | Subsequent Event [Member] | Arithmetic Average [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	5,000