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

12 Months Ended

Dec. 31, 2021

Notes Tables

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

	December 31,
	2021			2020
	(Dollars in thousands)
Costs and estimated earnings incurred on uncompleted contracts	$	103,486		$	227,591
Less billings to date		(103,042	)		(214,226	)
Total	$	444		$	13,365

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

	December 31,
	2021			2020
	(Dollars in thousands)
Costs and estimated earnings in excess of billings on uncompleted contracts	$	9,692		$	24,544
Billings in excess of costs and estimated earnings on uncompleted contracts		(9,248	)		(11,179	)
Total	$	444		$	13,365