ClearSign Technologies (NASDAQ:CLIR) reported quarterly losses of $(0.09) per share which beat the analyst consensus estimate of $(0.30) by 70 percent. This is a 55 percent increase over losses of $(0.20) per share from the same period last year. The company reported quarterly sales of $3.671 million which beat the analyst consensus estimate of $2.023 million by 81.46 percent. This is a 522.20 percent increase over sales of $590.000 thousand the same period last year.