Schedule II-Valuation and Qualify Accounts

12 Months Ended

Dec. 31, 2019

Valuation And Qualifying Accounts [Abstract]

Schedule II-Valuation and Qualifying Accounts

Great Lakes Dredge & Dock Corporation
Schedule II—Valuation and Qualifying Accounts
For the Years Ended December 31, 2019, 2018 and 2017
(In thousands)
	Beginning Balance		Additions		Deductions			Ending balance
Description
Year ended December 31, 2017
Allowances deducted from assets to which they apply:
Allowances for doubtful accounts	$	258	$	—	$	(258	)	$	—
Valuation allowance for deferred tax assets		7,133		1,152		(3,991	)		4,294
Total	$	7,391	$	1,152	$	(4,249	)	$	4,294
Year ended December 31, 2018
Allowances deducted from assets to which they apply:
Allowances for doubtful accounts	$	—	$	200	$	—		$	200
Valuation allowance for deferred tax assets		4,294		492		—			4,786
Total	$	4,294	$	692	$	—		$	4,986
Year ended December 31, 2019
Allowances deducted from assets to which they apply:
Allowances for doubtful accounts	$	200	$	364	$	—		$	564
Valuation allowance for deferred tax assets		4,786		—		(1,291	)		3,495
Total	$	4,986	$	364	$	(1,291	)	$	4,059