Note 17 - At Market Agreement (Details Textual) - USD ($) $ / shares in Units, $ in Thousands		2 Months Ended	3 Months Ended	12 Months Ended
	Dec. 18, 2023	Mar. 04, 2024	Mar. 31, 2024	Dec. 31, 2023
Common Stock, Par or Stated Value Per Share (in dollars per share)			$ 0.01	$ 0.01
Stock Issued During Period, Value, New Issues			$ 6,580
At Market Offering [Member] | B. Riley Securities, Inc. [Member]
Equity Sales Agreement, Maximum Aggregate Gross Proceeds	$ 50,000
ATM Offering, Notice for Termination (Day)	5 days
Stock Issued During Period, Shares, New Issues (in shares)	794,000	710,623
Stock Issued During Period, Value, New Issues		$ 6,600		$ 7,300