Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.8.0.1
Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2017
Feb. 20, 2018
Jun. 30, 2017
Document And Entity Information      
Entity Registrant Name PERMA FIX ENVIRONMENTAL SERVICES INC    
Entity Central Index Key 0000891532    
Document Type 10-K    
Document Period End Date Dec. 31, 2017    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Smaller Reporting Company    
Entity Public Float     $ 40,026,912
Entity Common Stock, Shares Outstanding   11,747,055  
Trading Symbol PESI    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2017