Note 7 - Borrowings - Schedule of Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
2023	$ 0
Borrowings, current portion, as of December 31, 2022	14,165	$ 0
CRG [Member] \| Loan Agreement [Member]
2024	9,045
2025	10,339
Total	19,384
Less: Amount of PIK additions and final facility fee to be incurred subsequent to December 31, 2022	(4,970)
Less: Amount representing debt issuance costs	(249)
Borrowings, current portion, as of December 31, 2022	$ 14,165

Cumulative paid-in-kind interest treated as additional principal and added to the total carrying amount of the debt.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Carrying value as of the balance sheet date of the portion of long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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