Table of Contents | UNITED STATES | | | --- | --- | | SECURITIES AND EXCHANGE COMMISSION | | | WASHINGTON, DC 20549 | | | FORM 10-K | | | (Mark One) | | | ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | | | For the fiscal year ended December 31, 2018 | | | or | | | ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF | | | 1934 | | | FOR THE TRANSITION PERIOD FROM ____________ TO _________ | | | Commission file number: 001-35073 | | | ...