Revenue is usually before expenses. But it's Reddit not Wikimedia--I imagine they're efficient enough to have the $3.4M without having to put up donation pleas.
On the one hand, if they are incinerating millions of dollars every month, that's an argument that they could easily afford a few more - after all, they are getting cash from somewhere.
On the other hand, if they are losing money, in a certain sense they have not got even $1 to spare.