$0.12 is accepted as currency value $.12 is not accepted as currency value, but should Same in CSV file import.
Eike Rathke committed a patch related to this issue. It has been pushed to "master": http://cgit.freedesktop.org/libreoffice/core/commit/?id=a6ad8e8f0a52881311b16af611e1ad701946c608 resolved fdo#48706 recognize $.12 as currency number