Speaking as another not-an-expert, yup, that's a http://en.wikipedia.org/wiki/Varied_carpet_beetle all right. ;) Definitely not a tick even if veloxe and I are wrong, you can see its wings and wing cases. I'd say "congratulations, you have beetles" but they can actually be fairly annoying pests that eat natural fibres etc. :P If you only have a few it shouldn't be a problem, but if you have lots show up the wikipedia article has some tips on keeping them under control.
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(Also, nom nom chocolate! Buy all you want!)