I Googled the phrase and a Q & A from their official media web site appeared within the first few hits:
Are you fundamentalists?
While we have strong religious convictions, we are not fundamentalists in the sense that the term has come to be used. We do not believe that every passage in the Bible is to be interpreted literally. We do not pressure political leaders to promote a certain point of view, nor do we resort to demonstrations and violence against those who disagree with us. The Bible teaches Christians to be kind, good, mild, and reasonable—qualities that do not allow for the kind of fanaticism that is sometimes associated with fundamentalism.—James 3:17.