Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.10.0.1
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2018
Nov. 03, 2018
Document And Entity Information    
Entity Registrant Name PERMA FIX ENVIRONMENTAL SERVICES INC  
Entity Central Index Key 0000891532  
Document Type 10-Q  
Document Period End Date Sep. 30, 2018  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Small Business Flag true  
Entity Emerging Growth Company false  
Entity Ex Transition Period false  
Entity Common Stock, Shares Outstanding   11,936,573
Trading Symbol PESI  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2018