Significant Customers (Tables)

9 Months Ended

Sep. 30, 2015

Risks and Uncertainties [Abstract]

Revenues attributable to sales to major customers

For the three and nine months ended September 30, 2015 and 2014, 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,
	2015		2014		2015		2014
Avnet	21.1	%	26.9	%	25.5	%	27.4	%
Enel	16.8	%	7.4	%	11.9	%	8.8	%
Total	37.9	%	34.3	%	37.4	%	36.2	%