MAJOR CUSTOMERS	9 Months Ended
Sep. 30, 2017
Risks and Uncertainties [Abstract]
MAJOR CUSTOMERS	8. MAJOR CUSTOMERS During the nine months ended September 30, 2017, the Company’s four largest commercial customers accounted for 28%, 23%, 11% and 10% of revenue. During the nine months ended September 30, 2016, the Company’s three largest commercial customers accounted for 35%, 30% and 13% of revenue. In addition, during the nine months ended September 30, 2017, 5.2% of revenue was directly from the U.S. Government. At September 30, 2017, 32%, 23%, 11% and 10% of costs and estimated earnings in excess of billings on uncompleted contracts were from the Company’s four largest commercial customers. At December 31, 2016, 33%, 26%, 12% and 11% of costs and estimated earnings in excess of billings on uncompleted contracts were from the Company’s four largest commercial customers. At September 30, 2017 and December 31, 2016, 2% and 1%, respectively, of costs and estimated earnings in excess of billings on uncompleted contracts were directly from the U.S. Government. At September 30, 2017, 20%, 19%, 19%, 12% and 11% of our accounts receivable were from our five largest commercial customers. At December 31, 2016, 35%, 24% and 17% of accounts receivable were from our three largest commercial customers.

MAJOR CUSTOMERS

9 Months Ended

Sep. 30, 2017

8. MAJOR CUSTOMERS

During the nine months ended September 30, 2017, the Company’s four largest commercial customers accounted for 28%, 23%, 11% and 10% of revenue. During the nine months ended September 30, 2016, the Company’s three largest commercial customers accounted for 35%, 30% and 13% of revenue. In addition, during the nine months ended September 30, 2017, 5.2% of revenue was directly from the U.S. Government.

At September 30, 2017, 32%, 23%, 11% and 10% of costs and estimated earnings in excess of billings on uncompleted contracts were from the Company’s four largest commercial customers. At December 31, 2016, 33%, 26%, 12% and 11% of costs and estimated earnings in excess of billings on uncompleted contracts were from the Company’s four largest commercial customers.

At September 30, 2017 and December 31, 2016, 2% and 1%, respectively, of costs and estimated earnings in excess of billings on uncompleted contracts were directly from the U.S. Government.

At September 30, 2017, 20%, 19%, 19%, 12% and 11% of our accounts receivable were from our five largest commercial customers. At December 31, 2016, 35%, 24% and 17% of accounts receivable were from our three largest commercial customers.