Note 5 - Stock-based Compensation - Schedule of Stock Options (Details) - $ / shares	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Balance (in shares)	146,962	0	146,962	0
Balance, weighted average exercise price (in dollars per share)	$ 10.45	$ 0	$ 10.45	$ 0
Balance, nonvested (in shares)	611,175	763,969	611,175	763,969
Balance, nonvested, weighted average exercise price (in dollars per share)	$ 10.5	$ 10.5	$ 10.5	$ 10.5
Granted (in shares)	0	0	0	0
Granted, weighted average exercise price (in dollars per share)	$ 0	$ 0	$ 0	$ 0
Vested (in shares)	0	0	0	0
Vested, weighted average exercise price (in dollars per share)	$ 0	$ 0	$ 0	$ 0
Exercised (in shares)	0	0	0	0
Exercised, weighted average exercise price (in dollars per share)	$ 0	$ 0	$ 0	$ 0
Forfeited or expired (in shares)	0	0	0	0
Forfeited or expired, weighted average exercise price (in dollars per share)	$ 0	$ 0	$ 0	$ 0
Forfeited or expired, Granted, nonvested (in shares)	(23,328)	0	(23,328)	0
Balance (in shares)	146,962	0	146,962	0
Balance, weighted average exercise price (in dollars per share)	$ 10.45	$ 0	$ 10.45	$ 0
Balance, nonvested (in shares)	587,847	763,969	587,847	763,969
Balance, nonvested, weighted average exercise price (in dollars per share)	$ 10.45	$ 10.5	$ 10.45	$ 10.5

Number of options vested.

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- Definition

Weighted average price at which options vest.

+ References

No definition available.

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- Definition

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Weighted average price of options that were either forfeited or expired.

+ References

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Gross number of share options (or share units) granted during the period.

+ References

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Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

+ References

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

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- Definition

Number of non-vested options outstanding.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
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-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-4

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Number of non-vested options forfeited.

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Weighted average grant-date fair value of non-vested options outstanding.

+ References

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Number of share options (or share units) exercised during the current period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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