Significant Customers (Tables)

6 Months Ended

Jun. 30, 2015

Risks and Uncertainties [Abstract]

Revenues attributable to sales to major customers

For the three and six months ended June 30, 2015 and 2014, 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,
	2015		2014		2015		2014
Avnet	28.2	%	27.7	%	27.7	%	27.6	%
Enel	10.7	%	3.5	%	9.3	%	9.4	%
Total	38.9	%	31.2	%	37.0	%	37.0	%