Note 6 - Contract Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

December 31,	2022			2021 (1)
Costs in excess of billings and estimated earnings	$	80,357	$	14,158
Contract retention		161,559		131,279
Total contract assets	$	241,916	$	145,437

December 31,	2022			2021 (1)
Billings in excess of costs and estimated earnings, net of retention	$	152,294	$	169,542
Provisions for losses		20,992		30,499
Total contract liabilities	$	173,286	$	200,041