Note 4 - Inventory (Details Textual) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Other Inventory, Warehouse, Gross	$ 3.5	$ 3.5

Gross amount of merchandise, goods, commodities, or supplies held by the entity in a building or part of a building for future sale.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(6)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Name:	us-gaap_OtherInventoryWarehouse
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant