Contracts in Progress (Tables)

3 Months Ended

Mar. 31, 2021

Contractors [Abstract]

Schedule of contracts in progress

	March 31,		December 31,
	2021		2020
Costs incurred on uncompleted contracts	$	1,255,413	$	1,151,987
Estimated earnings		228,140		202,369
		1,483,553		1,354,356
Less: Billings to date		(1,494,906)		(1,355,220)
	$	(11,353)	$	(864)
Included in the accompanying Condensed Consolidated Balance Sheets under the following captions:
Contract assets	$	21,797	$	32,271
Contract liabilities		(33,150)		(33,135)
	$	(11,353)	$	(864)