Note 7 - Equity Incentive Plan - Other Award Activity (Details)	6 Months Ended
Jun. 30, 2024 shares
Restricted Stock Units (RSUs) [Member]
Outstanding at December 31, 2023 (in shares)	171,530
Granted (in shares)	197,594
Vested (in shares)	(23,425)
Outstanding at June 30, 2024 (in shares)	345,699
Performance Stock Units (PSUs) [Member]
Outstanding at December 31, 2023 (in shares)	114,000
Granted (in shares)	0
Vested (in shares)	0
Outstanding at June 30, 2024 (in shares)	114,000

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(02)
-Publisher FASB
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Net number of non-option equity instruments granted to participants.

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-Section 50
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Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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