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Note 8 - Stock Based Compensation (Details Textual) - USD ($) $ in Millions	6 Months Ended	9 Months Ended
	Sep. 30, 2025	Dec. 31, 2025	Dec. 31, 2024
Time Restricted Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)		53,221
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)		3 years
Time Restricted Shares [Member] \| Vesting Over Two Years [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)		50,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)		2 years
Time Restricted Shares [Member] \| Cliff Vesting Over One Year [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)		2,742
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)		1 year
Performance Restricted Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	36,313
Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)		142,276
Share-Based Payment Arrangement, Expense		$ 0.3	$ 0.1
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		$ 1.7
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)		2 years
2016 Restricted Stock Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)		550,000
The 2025 Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)		521,696