Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Public Offering [Member]
Common stock issued, transaction costs	$ 1,713		$ 1,713
Yulho agreement [Member]
Common stock issued, transaction costs	372		372
ATM [Member]
Common stock issued, transaction costs	$ 31	$ 33	$ 119	$ 176