delaying the hovercard

[ChickenSniper]

First of all, great work developing this directive...it's sweet!

I'm going to try and slightly alter the directive to delay the hovercard from displaying for 200-300 milliseconds. This is for 2 reasons:

1. As a user moved their mouse over my application I don't want hovercards to keep popping up when the user does not want them to.
2. I want to use dynamic content on the hovercard (via a $http call) and don't want the random movement of the mouse to be triggering all of these calls.

Before I begin, can you provide any insight on how you would do this in your architected directive?
Thanks!