Note 6 - Notes Payable - Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
2023 (remaining nine months)	$ 1,875
2024	2,500
2025	2,500
2026	2,500
2027	2,500
2028	625
Total	$ 12,500	$ 0

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

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