ClearSign Technologies (NASDAQ:CLIR) reported quarterly losses of $(0.22) per share which beat the analyst consensus estimate of $(0.27) by 18.52 percent. This is a 26.67 percent increase over losses of $(0.30) per share from the same period last year. The company reported quarterly sales of $560.000 thousand which missed the analyst consensus estimate of $1.522 million by 63.22 percent. This is a 321.05 percent increase over sales of $133.000 thousand the same period last year.