Note 7 - Contract Assets and Liabilities (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Contract with Customer, Asset and Liability [Table Text Block]

	September 30, 2019		December 31, 2018		September 30, 2018
Costs in excess of billings and estimated earnings	$	127,863	$	120,223	$	108,105
Contract retention		106,062		99,531		105,884
Total contract assets	$	233,925	$	219,754	$	213,989

	September 30, 2019		December 31, 2018		September 30, 2018
Billings in excess of costs and estimated earnings, net of retention	$	100,673	$	103,250	$	117,352
Provisions for losses		5,337		2,199		407
Total contract liabilities	$	106,010	$	105,449	$	117,759