Note 7 - Net Income (Loss) Per Share (Details Textual) - $ / shares	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Share-Based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	8,000	21,000
Share-Based Payment Arrangement, Option [Member] \| Minimum [Member]
Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit (in dollars per share)	$ 10.37	$ 10.37
Share-Based Payment Arrangement, Option [Member] \| Maximum [Member]
Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit (in dollars per share)		$ 17.11
Restricted Stock, Performance-based Stock Units, and Deferred Stock Units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	0.3	200,000

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482662/260-10-50-1

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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