Tecogen (AMEX:TGEN) reported quarterly losses of $(0.07) per share which missed the analyst consensus estimate of $(0.05) by 40 percent. This is a 75 percent decrease over losses of $(0.04) per share from the same period last year. The company reported quarterly sales of $7.183 million which beat the analyst consensus estimate of $6.680 million by 7.53 percent. This is a 27.58 percent increase over sales of $5.630 million the same period last year.