BRIEF-Rockwell Medical Inc - qtrly sales were $13.5 mln, or 3.8% higher than Q2 2015 By: Reuters: Company News August 08, 2016 at 16:56 PM EDT * Qtrly sales were $13.5 million, or 3.8% higher than q2 2015. Source text for Eikon: Further company coverage: Read More >> Related Stocks: Rockwell Medical IN