Basis of Presentation and Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2012

Basis of Presentation and Revenue Recognition [Abstract]

Percentage of revenue by major customers

The following customers account for more than 10% of the Company’s consolidated contract receivables for the indicated periods:

	September 30,2012		December 31, 2011
Slovenské elektrárne, a.s.		15.7%	24.2%
Shandong Nuclear Power Co. Ltd.		15.3%	5.0%
Kraftwerkesschule E.V.		12.4%	7.9%