Note 3 - Costs and Estimated Earnings On Uncompleted Contracts: Schedule of Costs and Estimated Earnings on Uncompleted Contracts (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Details
Total accumulated costs and estimated earnings on uncompleted contracts	$ 33,445	$ 29,629
Less total billings on uncompleted contracts	(34,745)	(33,106)
Accumulated costs and estimated earnings on uncompleted contracts, net	(1,300)	(3,477)
Costs in Excess of Billings	2,695	1,699
Billings in excess of costs and estimated earnings on uncompleted contracts	$ (3,995)	$ (5,176)