Plumas (NASDAQ: PLBC) reported quarterly earnings of $1.41 per share which beat the analyst consensus estimate of $1.35 by 4.44 percent. This is a 34.29 percent increase over earnings of $1.05 per share from the same period last year. The company reported quarterly sales of $28.758 million which beat the analyst consensus estimate of $28.010 million by 2.67 percent. This is a 39.98 percent increase over sales of $20.544 million the same period last year.