Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

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Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2019
Feb. 11, 2020
Jun. 30, 2019
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Trading Symbol BXRX    
Entity Registrant Name Baudax Bio, Inc.    
Entity Central Index Key 0001780097    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category 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   9,435,713  
Entity Public Float     $ 0
Entity File Number 001-39101    
Entity Incorporation, State or Country Code PA    
Entity Tax Identification Number 47-4639500    
Entity Address, Address Line One 490 Lapp Road    
Entity Address, City or Town Malvern    
Entity Address, State or Province PA    
Entity Address, Postal Zip Code 19355    
City Area Code 484    
Local Phone Number 395-2440    
Document Annual Report true    
Document Transition Report false    
Entity Interactive Data Current Yes    
Security Exchange Name NASDAQ    
Title of 12(b) Security Common Stock, par value $0.01    
Documents Incorporated by Reference

Part III of this Annual Report on Form 10-K incorporates certain information by reference from the registrant’s proxy statement for the 2020 annual meeting of shareholders to be filed no later than 120 days after the end of the registrant’s fiscal year ended December 31, 2019.