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Note 2 - Billings in Excess of Costs and Estimated Earnings on Uncompleted Contracts (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Costs incurred on uncompleted contracts $ 210,716 $ 265,552
Estimated earnings 31,921 53,744
Sum of costs incurred and estimated earnings on uncompleted contracts 242,637 319,296
Less billings to date (200,565) (276,284)
Costs and estimated earnings in excess of billings on uncompleted contracts 42,072 43,012
Costs and estimated earnings in excess of billings on uncompleted contracts 42,592 45,847
Billings in excess of costs and estimated earnings on uncompleted contracts (520) (2,835)
Costs and estimated earnings in excess of billings on uncompleted contracts $ 42,072 $ 43,012