Note 11 - Major Customers	12 Months Ended
Dec. 31, 2014
Major Customers [Abstract]
Major Customers [Text Block]	11. MAJOR CUSTOMERS: Two percent of revenue in 2014, 2% of revenue in 2013 and 7% of revenue in 2012 were directly to the U.S. government. One percent of accounts receivable at December 31, 2014 and 2013 were from the U. S. Government. In addition, in 2014, 22%, 22%, 19% and 11% of our revenue were to our four largest commercial customers, respectively. In 2013, 26%, 21%, 19% and 12% of our revenue were to our four largest commercial customers, respectively. At December 31, 2014, 26%, 21% and 15% of 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. At December 31, 2014 and 2013, less than one percent of Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts were from the U.S. government. At December 31, 2014, 27%, 25%, 13%, and 8% of Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts were from our 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 our four largest commercial customers

Note 11 - Major Customers

12 Months Ended

Dec. 31, 2014

11. MAJOR CUSTOMERS:

Two percent of revenue in 2014, 2% of revenue in 2013 and 7% of revenue in 2012 were directly to the U.S. government. One percent of accounts receivable at December 31, 2014 and 2013 were from the U. S. Government.

In addition, in 2014, 22%, 22%, 19% and 11% of our revenue were to our four largest commercial customers, respectively. In 2013, 26%, 21%, 19% and 12% of our revenue were to our four largest commercial customers, respectively. At December 31, 2014, 26%, 21% and 15% of 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.

At December 31, 2014 and 2013, less than one percent of Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts were from the U.S. government.

At December 31, 2014, 27%, 25%, 13%, and 8% of Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts were from our 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 our four largest commercial customers