Note 10 - Stockholders' Equity (Details Textual) - USD ($)		3 Months Ended
	Jul. 03, 2023	Mar. 31, 2024	Dec. 31, 2023	Jun. 29, 2023
Common Stock, Shares Authorized		150,000,000	150,000,000
Preferred Stock, Shares Authorized		5,000,000	5,000,000
Preferred Stock, Par or Stated Value Per Share		$ 0.0001	$ 0.0001
Dividends		$ 60,000
Conversion of Series A Preferred Stock to Common Stock [Member]
Conversion of Stock, Shares Converted		100	102
Conversion of Stock, Shares Issued		74,484	76,440
Registered Direct Offering [Member]
Proceeds from Issuance of Preferred Stock and Preference Stock	$ 2,036,000
Series A Preferred Stock [Member]
Preferred Stock, Shares Authorized	10,000	10,000
Preferred Stock, Convertible, Conversion Price	$ 1.45
Preferred Stock, Dividend Rate, Percentage	8.00%
Preferred Stock, Convertible, Share Price Threshold	$ 8
Preferred Stock, Convertible, Trading Volume Threshold	$ 2,000,000
Dividends		$ 189,000
Dividends Payable		$ 60,000
Series A Preferred Stock [Member] | Registered Direct Offering [Member]
Preferred Stock, Par or Stated Value Per Share				$ 0.0001
Preferred Stock, Convertible, Conversion Price				$ 1.45
Series A Preferred Stock [Member] | Post Triggering Event [Member]
Preferred Stock, Dividend Rate, Percentage	20.00%