PESI - Perma-Fix Environmental Services GAAP EPS of -$0.19 revenue of $17.11M March, 31 2022 07:07 AM Perma-Fix Environmental Services Inc. Perma-Fix Environmental Services press release (NASDAQ:PESI): Q4 GAAP EPS of -$0.19. Revenue of $17.11M (-39.5% Y/Y). For further details see: Perma-Fix Environmental Services GAAP EPS of -$0.19, revenue of $17.11M