Table of Contents ________________________________________ UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 ________________________________________ FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 001-35542 (Commission File Number) ________________________________________ (Exact name of registrant as specified in its charter) ________________________________________ Pennsylvania 27-2290659 (State ...