Note 2 - Basis of Presentation (Details Textual) $ in Millions	6 Months Ended
Jun. 30, 2023 USD ($)
Reclassification, Other [Member]
Prior Period Reclassification Adjustment	$ 0.2

The amount of a reclassification adjustment made to prior period financial statement amounts.

No definition available.

Name:	us-gaap_PriorPeriodReclassificationAdjustment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration