Sticky position of sidebar from bottom of page (not from top)

[mufaddalmw]

@mojotech
I'd like to apply sticky mojo sidebar sticky from bottom of page (not from top of page),
Just like the way google plus do with second column.
https://plus.google.com

Is there any way for doing this using stickymojo plugin ? :)

[mufaddalmw]

http://codepen.io/mufaddalmw/pen/fnzjJ

Please refer to above example, In this example in sidebar there is height wise more content then page height. I'd like when we scroll down, left sidebar allow me to read complete sidebar content and when sidebar height will be finish while scrolling, it stick from bottom of page not from top.

Please help me here to figure out this issue.