v3.26.1
Document And Entity Information - USD ($)
$ in Millions
 12 Months Ended
Mar. 31, 2026
Jun. 18, 2026
Sep. 30, 2025
Document Information Line Items      
Entity Central Index Key 0001696558    
Document Type 10-K    
Document Annual Report true    
Current Fiscal Year End Date --03-31    
Document Period End Date Mar. 31, 2026    
Document Fiscal Year Focus 2026    
Document Transition Report false    
Entity File Number 001-38474    
Entity Registrant Name Jerash Holdings (US), Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 81-4701719    
Entity Address, Address Line One 277 Fairfield Road    
Entity Address, Address Line Two Suite 338    
Entity Address, City or Town Fairfield    
Entity Address, State or Province NJ    
Entity Address, Postal Zip Code 07004    
City Area Code (201)    
Local Phone Number 285-7973    
Title of 12(b) Security Common Stock, par value $0.001 per share    
Trading Symbol JRSH    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 21.9
Entity Common Stock, Shares Outstanding   12,699,940  
Documents Incorporated by Reference [Text Block]

Portions of the registrant’s 2026 Proxy Statement (as defined below) are incorporated by reference in Part III of this Annual Report on Form 10-K.

    
Auditor Firm ID 199    
Auditor Opinion [Text Block]

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Jerash Holdings (US), Inc. (the “Company”) as of March 31, 2026 and 2025, the related consolidated statements of operations and comprehensive income (loss), changes in equity and cash flows for each of the two years in the period ended March 31, 2026, and the related notes (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of March 31, 2026 and 2025, and the results of its operations and its cash flows for each of the two years in the period ended March 31, 2026, in conformity with accounting principles generally accepted in the United States of America.

    
Auditor Name CBIZ CPAs P.C.    
Auditor Location Costa Mesa, CA    
Amendment Flag false    
Document Fiscal Period Focus FY