MAJOR CUSTOMERS

12 Months Ended

Dec. 31, 2018

Risks and Uncertainties [Abstract]

MAJOR CUSTOMERS

14. MAJOR CUSTOMERS

Eleven percent of revenue in 2018 and 8% of revenue in 2017 were directly attributable to the U.S. government. Twenty two percent and 6% of accounts receivable at December 31, 2018 and 2017, respectively, were from the U. S. Government.

In addition, in 2018, 24%, 16% and 12% of our revenue were to our three largest commercial customers, respectively. In 2017, 25%, 23% and 12% of our revenue were to our three largest commercial customers, respectively. At December 31, 2018, 20%, 18% and 17% of accounts receivable were from our three largest commercial customers. At December 31, 2017, 44%, 18% and 13% of accounts receivable were from our three largest commercial customers.

At December 31, 2018 and 2017, 2% and 4%, respectively, of contract assets were from the U.S. Government.

At December 31, 2018, 39%, 14%, 13%, and 13% of contract assets were from our four largest commercial customers. At December 31, 2017, 32%, 20%, 12%, and 10% of contract assets were from our four largest commercial customers.

In 2018 and 2017, approximately 5% and 4%, respectively, of our revenue was from a customer who is located outside the United States.