Note 1 - Overview and Basis of Preparation (Details Textual)	Dec. 31, 2022
Number of Countries in which Entity Operates	11

The number of countries in which the entity operates as of balance sheet date.

No definition available.

Name:	us-gaap_NumberOfCountriesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant