Note 16 - Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Quarterly Financial Information [Table Text Block]

	First Quarter(1)			Second Quarter(2)			Third Quarter(3)		Fourth Quarter(4)
Year Ended December 31, 2019:
Revenues	$	276,904		$	318,740		$	308,789	$	309,502
Gross profit		48,295			67,437			66,792		63,711
Operating income (loss)		(774	)		459			14,649		(3,361	)
Net income (loss)		(3,991	)		(8,147	)		6,349		(13,659	)
Earnings (loss) per share attributable to Aegion Corporation:
Basic	$	(0.13	)	$	(0.27	)	$	0.20	$	(0.47	)
Diluted	$	(0.13	)	$	(0.27	)	$	0.19	$	(0.47	)

	First Quarter(1)			Second Quarter(2)		Third Quarter(3)			Fourth Quarter(4)
Year Ended December 31, 2018:
Revenues	$	324,861		$	335,030	$	339,679		$	333,998
Gross profit		61,504			71,053		72,673			61,696
Operating income (loss)		3,181			14,459		13,009			(1,002	)
Net income (loss)		(1,476	)		7,198		141			(2,776	)
Earnings (loss) per share attributable to Aegion Corporation:
Basic	$	(0.06	)	$	0.24	$	(0.01	)	$	(0.08	)
Diluted	$	(0.06	)	$	0.24	$	(0.01	)	$	(0.08	)