Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Apr. 14, 2016
Jun. 30, 2015
Document And Entity Information [Abstract]      
Document Type 10-K    
Document Period End Date false    
Document Fiscal Year Focus Dec. 31, 2015    
Document Fiscal Period Focus 2015    
Trading Symbol FY    
Entity Registrant Name FENX    
Entity Central Index Key Fenix Parts, Inc.    
Current Fiscal Year End Date 0001615153    
Entity Filer Category --12-31    
Entity Filer Category Non-accelerated Filer    
Entity Common Stock, Shares Outstanding (in shares)   19,926,868  
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 100