Note 12 - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2024	Jun. 30, 2023
Proceeds from Issuance of Common Stock			$ 18,113	$ 3,126
At The Market [Member]
Stock Issued During Period, Shares, New Issues	0	9,790,577
Shares Issued, Price Per Share		$ 1.85
Proceeds from Issuance of Common Stock		$ 18,100
Proceeds from Issuance of Common Stock, Net		$ 17,600