v3.26.1
Document And Entity Information - USD ($)
 12 Months Ended
Mar. 31, 2026
Jun. 15, 2026
Sep. 30, 2025
Document Information Line Items      
Entity Central Index Key 0001444192    
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 001-35776    
Entity Registrant Name Grace Therapeutics, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 98-1359336    
Entity Address, Address Line One 103 Carnegie Center Suite 300    
Entity Address, City or Town Princeton    
Entity Address, State or Province NJ    
Entity Address, Postal Zip Code 08540    
Local Phone Number 609    
City Area Code 609    
Title of 12(b) Security Common Stock, par value $0.0001 per share    
Trading Symbol GRCE    
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    
Document Financial Statement Error Correction [Flag] false    
ICFR Auditor Attestation Flag false    
Entity Shell Company false    
Entity Public Float     $ 35,051,405
Entity Common Stock, Shares Outstanding   16,274,026  
Auditor Firm ID 185    
Auditor Name KPMG LLP    
Auditor Location Philadelphia, Pennsylvania    
Amendment Flag false    
Document Fiscal Period Focus FY