Hopf algebras of dimension 2p

Let $H$ be a finite-dimensional Hopf algebra over an algebraically closed field of characteristic 0. If $H$ is not semisimple and $\dim (H)=2n$ for some odd integer $n$, then $H$ or $H^{\ast }$ is not unimodular. Using this result, we prove that if $\dim (H)=2p$ for some odd prime $p$, then $H$ is semisimple. This completes the classification of Hopf algebras of dimension $2p$.