I setup a dock that I have pinned to the bottom of my screen and I only want it to show when I bump the bottom of the screen with my mouse.

I have enabled the auto-hide feature, set the animation, Edge-bump and auto-hide delay to the shortest or fastest option available yet the dock doesn't auto-hide unless I click my left mouse button. It doesn't matter where I click but it waits for the click before it hides the dock. I also have the option enabled to collapse the dock when I launch sometime on the dock, yet the dock still stays up when I do so. Is there a way to have the dock auto-hide without having to click the mouse. Sometimes I bump the edge of the screen inadvertently and would like the dock to just close with out any further input from me.

Open Nexus Preferences (or WorkShelf Preferences if you are running Xtreme), click on the Advanced tab, then click the Misc.Advanced button and unselect the 'Hide or collapse automatically only when another window has the focus' setting.

looks like that did the trick. Thanks!