Sales at Ultratech Inc., a supplier of lithography, laser processing and inspection systems, declined in the 2015 fiscal year. The company cited a challenging year for the semiconductor industry. Net sales for fiscal 2015 amounted to $149.2 million, compared to $150.5 million in 2014. Its net loss for the year was $15.1 million, or $0.55 per share, as compared to a net loss of $19.1 million, or $0.67 per share, in 2014. As of December 2015, Ultratech had $251.9 million in cash, cash equivalents and short-term investments. Working capital totaled $315.4 million and stockholders' equity was $12.89 per share based on 26,522,276 total shares outstanding. Ultratech’s lithography, laser processing and inspection systems are used to manufacture semiconductor devices and high-brightness LEDs.