v3.25.2
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Feb. 28, 2025
Jun. 30, 2024
Document and Entity Information      
Document Type 10-K/A    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Document Transition Report false    
Entity File Number 001-38804    
Entity Registrant Name ZYNEX, INC.    
Entity Incorporation, State or Country Code NV    
Entity Tax Identification Number 90-0275169    
Entity Address, Address Line One 9655 Maroon Circle    
Entity Address, City or Town Englewood    
Entity Address, State or Province CO    
Entity Address, Postal Zip Code 80112    
City Area Code 303    
Local Phone Number 703-4906    
Title of 12(b) Security Common Stock, $0.001 par value per share    
Trading Symbol ZYXI    
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 Accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 143.4
Entity Common Stock, Shares Outstanding   31,912,487  
Documents Incorporated by Reference

Portions of the Registrant’s definitive proxy statement relating to its 2025 annual meeting of stockholders (the “Proxy Statement”) are incorporated by reference into Part III of this Annual Report on Form 10-K where indicated. The Proxy Statement will be filed with the U.S. Securities and Exchange Commission within 120 days after the end of the fiscal year to which this report relates.

    
Entity Central Index Key 0000846475    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Amendment Flag false    
Auditor Name Marcum LLP    
Auditor Firm ID 688    
Auditor Location New York, NY