Perma-Pipe Inlt Hldgs (NASDAQ:PPIH) reported quarterly earnings of $0.23 per share. This is a 78.7 percent decrease over earnings of $1.08 per share from the same period last year. The company reported $44.99 million in sales this quarter. This is a 11.97 percent increase over sales of $40.18 million the same period last year.