Note 22 - Subsequent Events (Details Textual) $ in Thousands, R$ in Millions		12 Months Ended
May 15, 2026 BRL (R$)	Mar. 31, 2026 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)
Payments to Acquire Property, Plant, and Equipment \| $		$ 4,888	$ 2,415	$ 934
Subsequent Event [Member]
Payments to Acquire Property, Plant, and Equipment \| R$	R$ 37.2

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

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