Major Customers and Concentrations of Credit Risk (Tables)

12 Months Ended

Dec. 31, 2015

Risks and Uncertainties [Abstract]

Schedule of Concentration Risk by Major Customers

Net revenues from our top ten customers, including the Boeing Company (“Boeing”) and Raytheon Company (“Raytheon”), represented the following percentages of total net sales:

	Years Ended December 31,
	2015		2014		2013
Boeing	16	%	20	%	18	%
Raytheon	9	%	9	%	10	%
Top ten customers	56	%	59	%	57	%

Boeing and Raytheon represented the following percentages of total accounts receivable:

	December 31,
	2015		2014
Boeing	13	%	12	%
Raytheon	12	%	10	%