Basis of Presentation and Revenue Recognition (Tables)

6 Months Ended

Jun. 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:

	June 30,	December 31,
	2012	2011
Slovensk� elektr�rne, a.s.	24.8%	24.2%
Genden Information System Co.	12.2%	2.2%