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Significant Customers (Tables)

6 Months Ended

Jun. 30, 2013

Revenues attributable to sales to major customers

For the three and six months ended June 30, 2013 and 2012, the percentage of the Company’s revenues attributable to sales made to these customers was as follows:



	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2013		2012		2013		2012
Telvent	17.9	%	26.2	%	20.0	%	32.2	%
Avnet	12.4	%	6.5	%	12.5	%	7.0	%
Enel	16.9	%	3.8	%	12.2	%	2.2	%
Ubitronix	10.7	%	2.4	%	11.7	%	1.8	%
Duke	6.3	%	17.5	%	7.8	%	18.8	%
Eltel	3.0	%	13.7	%	1.7	%	8.1	%
Total	67.2	%	70.1	%	65.9	%	70.1	%