Note 1a - Nature of Operations, Principles of Consolidation and Risk and Uncertainties (Details Textual)	3 Months Ended
Mar. 31, 2026
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	2.00%

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration