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Note 6 - Share-based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Millions				3 Months Ended	6 Months Ended	9 Months Ended
		May 10, 2024	May 01, 2024	Sep. 30, 2024	Jun. 30, 2024	Sep. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)						5 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)						$ 4.27
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount				$ 2.5		$ 2.5
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				1 year 6 months
Share-Based Payment Arrangement, Option [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount				$ 0.8		$ 0.8
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)						1 year
Stock Appreciation Rights (SARs) [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount				0.3		$ 0.3
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)						1 year
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)						$ 3.8
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares)	[1]				79,128
Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)						3 years
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount				$ 3.8		$ 3.8
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)						1 year 8 months 12 days
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)						$ 14.77
Performance Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)						$ 14.73
Performance Shares [Member] | Share-Based Payment Arrangement, Tranche One [Member]
Share based Compensation Arrangement By Share based Payment Award Award Vesting Rights Requirement Percentage Of Closing Share Price		115.00%
Performance Shares [Member] | Share-Based Payment Arrangement, Tranche Two [Member]
Share based Compensation Arrangement By Share based Payment Award Award Vesting Rights Requirement Percentage Of Closing Share Price		130.00%
Performance Shares [Member] | Share-Based Payment Arrangement, Tranche Three [Member]
Share based Compensation Arrangement By Share based Payment Award Award Vesting Rights Requirement Percentage Of Closing Share Price		150.00%
Outside Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)						10 years
Michael Benstock [Member] | Performance Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares)			125,000
Michael Koempel [Member] | Performance Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares)			75,000
Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)						1 year
Minimum [Member] | Performance Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)						3 years
Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)						3 years
Maximum [Member] | Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)						5 years
Maximum [Member] | Performance Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)						5 years
[1] The weighted average grant date fair value of SARs granted was $3.80 per share.

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- Definition

Represents the award vesting rights requirement based on the closing share price for performance shares.

+ References

No definition available.

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+ References

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

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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