Note 8 - Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Weighted-average remaining lease term (Year)	3 years 4 months 24 days
Weighted-average discount rate	6.16%
Operating lease cost	$ 438	$ 438
Cash paid for amounts included in the measurement of lease liabilities	$ 445	$ 435

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

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- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

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-URI https://asc.fasb.org//1943274/2147479589/842-20-55-53

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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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-Topic 842
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