Northern Technologies (NASDAQ:NTIC) reported quarterly earnings of $0.01 per share which missed the analyst consensus estimate of $0.02 by 50 percent. This is a 133.33 percent increase over losses of $(0.03) per share from the same period last year. The company reported quarterly sales of $21.997 million which beat the analyst consensus estimate of $21.100 million by 4.25 percent. This is a 15.34 percent increase over sales of $19.072 million the same period last year.