PESI - Perma-Fix Environmental Services reports Q4 results April, 01 2019 07:48 AM Perma-Fix Environmental Services Inc. Perma-Fix Environmental Services (NASDAQ:PESI): Q4 GAAP EPS of -$0.19.Revenue of $11.74M (-6.8% Y/Y)Press ReleaseMore news on: Perma-Fix Environmental Services, Inc., Earnings news and commentary, ,