While cool, the navigation is extremely confusing. Aside from watching the short video I had no idea clicking on a number brings up the week to week chart. I think even after 30 seconds I am still thoroughly confused on how to appropriately use it.
I, in the end, got the main ways to use the chart but it never really seemed to solve the main issues they had "[...]current tables on the web do not support such changes very well, are generally hard to read, and lack dynamic interactions." It instead introduced new problems of buried navigation, and seemed even harder to read.
It seems like a problem that can more easily be solved by just having a table and a chart side-by-side.