Note 5 - Cost and Estimated Earnings on Uncompleted Contracts (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Cost And Estimated Earnings On Uncompleted Contracts [Table Text Block]

	December 31,
	2022			2021
	(Dollars in thousands)
Costs and estimated earnings incurred on uncompleted contracts	$	155,407		$	103,486
Less billings to date		(147,787	)		(103,042	)
Total	$	7,620		$	444

Cost and Estimated Earnings on Uncompleted Contracts Included in Consolidated Balance Sheets [Table Text Block]

	December 31,
	2022			2021
	(Dollars in thousands)
Costs and estimated earnings in excess of billings on uncompleted contracts	$	16,405		$	9,692
Billings in excess of costs and estimated earnings on uncompleted contracts		(8,785	)		(9,248	)
Total	$	7,620		$	444