Vocera Communications Reports Q4 EPS Loss $0.10 Vs Est Loss $0.15, Sales $24.6M Vs Est $23.42M, Sees Q1 2015 EPS Loss $0.10-Loss $0.16 & Revs $21.5M to $23.5, Sees FY 2015 EPS Loss $0.23- Loss $0.39 & Revs $95M-$100M