Medifast (NYSE: MED) reported quarterly earnings of $0.66 per share which missed the analyst consensus estimate of $0.78 by 15.38 percent. This is a 82.02 percent decrease over earnings of $3.67 per share from the same period last year. The company reported quarterly sales of $174.739 million which beat the analyst consensus estimate of $168.900 million by 3.46 percent. This is a 49.93 percent decrease over sales of $348.983 million the same period last year.