Gran Tierra Energy (AMEX: GTE) reported quarterly losses of $(3.38) per share which missed the analyst consensus estimate of $(1.59) by 112.58 percent. This is a 525.93 percent decrease over losses of $(0.54) per share from the same period last year. The company reported quarterly sales of $172.057 million which beat the analyst consensus estimate of $153.000 million by 12.46 percent. This is a 0.89 percent increase over sales of $170.533 million the same period last year.