Yeah. It means that we're not having the kind of period over period improvement that we are after too. Anyway, let me answer or attempt to answer some of the questions around the margin of Atrius. First of all, our tier 3 solution set, recall that it is a broad based solution set, where we're tying together luminaires and building management capability, in your conference room, in your floor, tied your whole building. Those solution sets can be enabled to do different types of things within Atrius. Asset tracking and geospatial activity or analytics, so on and so forth. So tier 3, that billing and square foot of base that we believe is in place, most of those folks put that in place primarily because they were targeting energy savings. It's just that our solution set through nLight offers them the opportunity to now upgrade that, if you will, to an Atrius solution. So as Atrius itself begins to spice the stew and the mix within that tier 3 and as it allows us to then generate recurring revenues to support on a subscription basis, the Atrius platform, when you look at those two together, that's where you in time will see the margin lift as the mix moves, as those businesses grow. Our core business -- our core lighting business has tremendous potential and opportunity for continued growth and we do well there from a margin perspective. So as one is growing at a nice exceeding market rate, the other one is accelerating as more adoption occurs, yes, our expectation is that in a normal operating environment, their margins would continue to improve. Unfortunately, right now, you have sort of two things working, right. We're trying to bring clarity around what's happening operationally within our business. So we've got some things to continue to address and fix, but then what's happening on those incremental margins, I'm still very comfortable and I think Ricky is as well that targeting incremental margins over the next quarters, handful less, one whatever will probably be in that mid to upper 20 kind of variable contribution margins. Then accelerating as our investment in our core, we now really start to leverage that. You're not having to add more, if you will, engineers to create, you're adding more people to help support, but at a much lower rate, getting much more leverage that makes sense.