eMagin Corporation announced that preliminary revenue for the fourth quarter ended Dec. 31, 2013, was approximately $6.1 million. While demand for eMagin’s microdisplays remains strong, there was a shortfall in anticipated product revenue for the fourth quarter of 2013, resulting from previously announced equipment downtime, low yield, and lower average sales prices. As well, contract revenue in the period continued to be impacted by fewer government R&D contracts as a result of the U.S. gov...