Concentrations of Credit Risk and Major Customers (Tables)

9 Months Ended

Sep. 30, 2015

Summary of Customers Revenue, Accounts Receivable and Unbilled Receivables

The financial instruments that potentially subject us to concentrations of credit risk are accounts receivable and unbilled receivables. Those customers that comprised 10% or more of our total revenue or receivables (billed and unbilled) are summarized in the following tables:

		% of Total Revenue For				% of Total Revenue For
		the Three				the Nine
		Months Ended				Months Ended
Percentage of total revenue:		September 30,				September 30,
Customer	Segment	2015		2014		2015		2014
U.S. Government agencies and departments	Government		17%		26%		15%		21%
Customer A	Commercial		14%		18%		16%		16%
Customer B	Commercial		10%	<10%			10%	<10%

Percentage of receivables (billed and unbilled) as of September 30:

Customer	Segment	2015		2014
U.S. Government agencies and departments	Government		17%		33%
Customer A	Commercial		14%	<10%
Customer B	Commercial		11%		12%