AMITYVILLE, N.Y.--(BUSINESS WIRE)--Hi-Tech Pharmacal Co., Inc. (NASDAQ: HITK) today reported results for the quarter and fiscal year ended April 30, 2007. Fourth Quarter Results For the three months ended April 30, 2007, the Company reported net sales of $13.3 million, a decrease of 27% from $18.1 million for the same period last year.