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Note 3 - Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts and Billings in Excess of Costs and Estimated Earnings - Uncompleted Contracts (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Costs incurred on uncompleted contracts $ 238,050 $ 210,716
Estimated earnings 7,247 31,921
Sum of costs incurred and estimated earnings on uncompleted contracts 245,297 242,637
Less billings to date (203,672) (200,565)
Costs and estimated earnings in excess of billings on uncompleted contracts 41,625 42,072
Costs and estimated earnings in excess of billings on uncompleted contracts 43,663 42,592
Billings in excess of costs and estimated earnings on uncompleted contracts (2,038) (520)
Costs and estimated earnings in excess of billings on uncompleted contracts $ 41,625 $ 42,072