Significant Customers (Tables)

9 Months Ended

Sep. 30, 2014

Risks and Uncertainties [Abstract]

Revenues attributable to sales to major customers

For the three and nine months ended September 30, 2014 and 2013, the percentage of the Company’s revenues attributable to sales made to these customers was as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2014		2013		2014		2013
Avnet	26.9	%	30.3	%	27.4	%	28.1	%
Enel	7.4	%	4.9	%	8.8	%	12.6	%
Total	34.3	%	35.2	%	36.2	%	40.7	%