Note 10 - Stock-Based Compensation - Schedule of Unvested Restricted Stock (Details) - Restricted Stock [Member] - shares	3 Months Ended	12 Months Ended
Mar. 31, 2026	Dec. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Balance	380,730	436,863
Restricted shares granted	0	302,600
Restricted shares vested	(171,775)	(358,733)
Balance	208,955	380,730

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details