They kicked these guy's out of the contest, BOOO
www.space.com...
"In light of the novel and untried technology you propose, the Committee has a concern of the credibility of this technology. The X Prize Foundation
strongly encourages the use of all technologies for the X Prize competition. However, over the past years, we’ve been besieged by a variety of groups
making technological claims that weren’t real," explains Ken Davidian, Director of Operations for the St. Louis, Missouri-based X Prize Foundation,
in the letter to GCT.

That is so lame, they didn't even give those guy's a chance.
If they had competed, it would most certanly have been an eye opener for many aerospace companies.
Xprize official website