Automated tape storage and power products supplier Qualstar Corp. widened its net loss in the fourth quarter when compared with the previous year. The Simi Valley-based company had a net loss of $1.2 million, or $0.10 per diluted share, on revenues of $3.8 million for the quarter ending June 30. For the same period in 2008, the company had a net loss of $166,000, or $0.01 per diluted share, on revenues of $4.9 million. For fiscal 2009, Qualstar had a net loss of $2.6 million, or $0.21 per diluted share, on revenues of $17.9 million. For the previous fiscal year, the company had a net loss of $800,000, or $0.06 per diluted share, on revenues of $21.5 million. The quarterly revenues were within the company’s guidance guidelines although a decrease in sales was due to customers delaying on making purchases, said Qualstar President and CEO Bill Gervais. Mark R. Madler