Note 9 - Major Customers	9 Months Ended
Sep. 30, 2014
Major Customers [Abstract]
Major Customers [Text Block]	9. MAJOR CUSTOMERS During the nine months ended September 30, 2014, the Company’s three largest commercial customers accounted for 26%, 22% and 11% of revenue, respectively. During the nine months ended September 30, 2013, the Company’s three largest commercial customers accounted for 27%, 22% and 18% of revenue, respectively. In addition, during the nine months ended September 30, 2014 and 2013, 1.2% and 2%, respectively, of revenue was directly from the U.S. Government. The percentages of revenue for 2014 are computed prior to the change in estimate adjustment to revenue discussed in Note 1. At September 30, 2014, 27%, 25%, 13% and 8% of Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts were from four largest commercial customers. At December 31, 2013, 40%, 17%, 16% and 10% of Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts were from the Company’s four largest commercial customers. At September 30, 2014 and December 31, 2013, less than 1% of Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts were direct from the U.S. Government. At September 30, 2014, 33%, 17% and 16% of our accounts receivable were from our three largest commercial customers. At December 31, 2013, 28%, 24% and 20% of accounts receivable were from our three largest commercial customers.

Note 9 - Major Customers

9 Months Ended

Sep. 30, 2014

9. MAJOR CUSTOMERS

During the nine months ended September 30, 2014, the Company’s three largest commercial customers accounted for 26%, 22% and 11% of revenue, respectively. During the nine months ended September 30, 2013, the Company’s three largest commercial customers accounted for 27%, 22% and 18% of revenue, respectively. In addition, during the nine months ended September 30, 2014 and 2013, 1.2% and 2%, respectively, of revenue was directly from the U.S. Government. The percentages of revenue for 2014 are computed prior to the change in estimate adjustment to revenue discussed in Note 1.

At September 30, 2014, 27%, 25%, 13% and 8% of Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts were from four largest commercial customers. At December 31, 2013, 40%, 17%, 16% and 10% of Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts were from the Company’s four largest commercial customers.

At September 30, 2014 and December 31, 2013, less than 1% of Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts were direct from the U.S. Government.

At September 30, 2014, 33%, 17% and 16% of our accounts receivable were from our three largest commercial customers. At December 31, 2013, 28%, 24% and 20% of accounts receivable were from our three largest commercial customers.