Note 12 - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands				12 Months Ended
	Apr. 16, 2024	Jul. 03, 2023	Jun. 29, 2023	Dec. 31, 2023	Dec. 31, 2022
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 (in dollars per share)				$ 0.0001	$ 0.0001
Dividends				$ 160
Dividends, Preferred Stock, Stock				$ 232	$ 0
Conversion of Series A Preferred Stock to Common Stock [Member]
Conversion of Stock, Shares Converted				102
Conversion of Stock, Shares Issued				77
Registered Direct Offering [Member]
Proceeds from Issuance of Preferred Stock and Preference Stock			$ 2,036
Series A Preferred Stock [Member]
Common Stock, Shares Authorized		10,000		10,000
Preferred Stock, Convertible, Conversion Price (in dollars per share)		$ 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				$ 392
Dividends, Preferred Stock, Cash				58
Dividends, Preferred Stock, Stock				232
Dividends Payable				$ 102
Series A Preferred Stock [Member] | Registered Direct Offering [Member]
Preferred Stock, Par or Stated Value Per Share (in dollars per share)			$ 0.0001
Preferred Stock, Convertible, Conversion Price (in dollars per share)			$ 1.45
Series A Preferred Stock [Member] | Post Triggering Event [Member]
Preferred Stock, Dividend Rate, Percentage		20.00%
Series A Preferred Stock [Member] | Forecast [Member]
Preferred Stock, Dividend Rate, Percentage	20.00%