Note 8 - Contract Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

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

					As Restated
	March 31, 2020		December 31, 2019		March 31, 2019
Costs in excess of billings and estimated earnings	$	114,378	$	100,761	$	137,689
Contract retention		112,140		110,680		75,334
Total contract assets	$	226,518	$	211,441	$	213,023

					As Restated
	March 31, 2020		December 31, 2019		March 31, 2019
Billings in excess of costs and estimated earnings, net of retention	$	127,560	$	86,736	$	91,885
Provisions for losses		6,251		9,001		12,375
Total contract liabilities	$	133,811	$	95,737	$	104,260