Contracts (Tables)

12 Months Ended

Dec. 26, 2020

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Abstract]

Costs, estimated earnings and billings on uncompleted contracts

	2020			2019
Costs incurred on uncompleted contracts	$	39,154		$	23,846
Estimated earnings on uncompleted contracts		4,388			5,188
Earned revenues		43,542			29,034
Less: billings to date		40,710			30,610
Net costs in excess of billings on uncompleted contracts	$	2,832		$	(1,576	)
Costs and estimated earnings in excess of billings on uncompleted contracts	$	4,090		$	3,862
Billings in excess of costs and estimated earnings on uncompleted contracts		(1,258	)		(5,438	)
Net costs in excess of billings on uncompleted contracts	$	2,832		$	(1,576	)