Relationship with Major Customers |
12 Months Ended |
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Dec. 31, 2017 | |
Risks and Uncertainties [Abstract] | |
Relationship with Major Customers | Relationship with Major Customers During the years ended December 31, 2017 and 2016, approximately 48% and 41%, respectively, of our consolidated revenues were attributable to contracts with the U.S. government. At December 31, 2017 and 2016, receivables with respect to contracts with the U.S. government represented 20% and 14% of total trade receivables, respectively. |