Short-term borrowings (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025
Extinguishment of Debt [Line Items]
Short-term borrowings	$ 5,398	$ 6,504
Short-Term Debt [Member]
Extinguishment of Debt [Line Items]
Short-term borrowings	5,373	6,480
Current portion of vehicle loan [Member]
Extinguishment of Debt [Line Items]
Short-term borrowings	$ 25	$ 24

Amount of borrowings classified as other, maturing within one year or the normal operating cycle, if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(a)(7))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(13)(a)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1

Name:	us-gaap_OtherShortTermBorrowings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant