Note 7 - Loan Payable - Schedule of Loan Payble (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Loan payable	$ 95,000	$ 70,000
Add: Accreted Liability of final payment fee	10,230	6,667
Long-Term Debt, Gross	105,230	76,667
Less: unamortized debt issuance costs	(5,112)	(5,532)
Long-term Debt, Before Repayments	100,118	71,135
Less: principal payments	0	0
Total loan payable	100,118	71,135
Less: current portion	0	0
Loan payable non-current	$ 100,118	$ 71,135