XML 20 R1.htm IDEA: XBRL DOCUMENT v3.25.1
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Mar. 21, 2025
Jun. 30, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Document Transition Report false    
Entity File Number 001-39370    
Entity Registrant Name Nkarta, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 47-4515206    
Entity Address, Address Line One 1150 Veterans Boulevard    
Entity Address, City or Town South San Francisco    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 94080    
City Area Code 925    
Local Phone Number 407-1049    
Title of 12(b) Security Common Stock, $0.0001 par value per share    
Trading Symbol NKTX    
Security Exchange Name NASDAQ    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period true    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   70,957,554  
Document Financial Statement Error Correction [Flag] false    
Amendment Flag false    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31    
Entity Central Index Key 0001787400    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer No    
ICFR Auditor Attestation Flag false    
Entity Public Float     $ 270.6
Auditor Name Ernst & Young LLP    
Auditor Location California    
Auditor Firm ID 42    
Documents Incorporated by Reference

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant’s Definitive Proxy Statement for the 2024 Annual Meeting of Stockholders to be filed with the U.S. Securities and Exchange Commission pursuant to Regulation 14A within 120 days after the end of the fiscal year covered by this Annual Report on Form 10-K are incorporated by reference in Part III, Items 10-14 of this Annual Report on Form 10-K.

    
Auditor Opinion [Text Block]

Opinion on the Financial Statements

We have audited the accompanying balance sheets of Nkarta, Inc. (the Company) as of December 31, 2024 and 2023, the related statements of operations and comprehensive loss, stockholders’ equity and cash flows for each of the two years in the period ended December 31, 2024, 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 at December 31, 2024 and 2023, and the results of its operations and its cash flows for each of the two years in the period ended December 31, 2024, in conformity with U.S. generally accepted accounting principles.