I think that development is still continuing on these planes. I found two stories that seem a bit more up to date.
Russia-InfoCentre :: Very Light Aircraft Almost Like a Feather :: Sounds Like A Breakthrough :: Education & Science
One thing that has always puzzled me has been the claims of high lift. It was my understanding that short chord, low RN airfoils could not produce the kind of lift that this plane would need. I would greatly welcome any insight along those lines.