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Note 7 - Operating Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Weighted-average remaining lease term (years) (Year)	5 years 2 months 12 days	5 years 3 months 18 days
Weighted-average discount rate	6.30%	4.50%
Other Noncurrent Assets [Member]
Operating lease right-of-use asset	$ 3,177	$ 3,589
Accrued Expenses and Other Current Liabilities [Member]
Current operating lease liability	780	894
Other Noncurrent Liabilities [Member]
Operating lease liability, net of current portion	2,350	2,644
Accrued Expenses and Other Current Liabilites and Other Noncurrent Liabilities [Member]
Total operating lease liability	$ 3,130	$ 3,538

X

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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X

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

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-Section 45
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X

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

+ References

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-SubTopic 20
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- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

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-SubTopic 20
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-Section 45
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- Definition

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

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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.

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