Teligent (TLGTQ) 10-K 2013 FY Annual report

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statement of IGI Laboratories, Inc. and Subsidiaries on Form S-3 (Nos. 333-27173, 333-47006, 333-61716, 333-163524, 333-171446, 333-173615, 333-173148 and 333-187221) and Form S-8 (Nos. 33-58479, 333-28183, 333-53212, 33-65249, 333-52312, 333-65553, 333-67565, 333-79333, 333-79341, 333-160341, 333-106342, 333-160865 and 333-167387) of our report dated March 31, 2014, on our audits of the consolidated financial statements as of December 31, 2013 and 2012 and for each of the years in the two-year period ended December 31, 2013, to be filed on or about March 31, 2014.

/s/ EISNERAMPER LLP

Iselin, New Jersey

March 31, 2014