Protalix BioTherapeutics (AMEX:PLX) reported quarterly earnings of $0.03 per share which missed the analyst consensus estimate of $0.06 by 50 percent. The company reported quarterly sales of $17.96 million which beat the analyst consensus estimate of $16.26 million by 10.46 percent. This is a 73.60 percent increase over sales of $10.35 million the same period last year.