Condensed Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Net of discount and issuance costs, Current	$ 139	$ 112
Net of discount and issuance costs	$ 89	$ 164
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	22,217,265	22,045,255
Common stock, shares outstanding	22,217,265	22,045,255