Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Net sales	$ 103,175	$ 80,985
Cost of sales	71,589	60,010
Gross profit	31,586	20,975
Selling and administrative expenses	20,945	13,661
Acquisition and integration expenses	37	331
Amortization and earn-out expenses	4,797	4,004
Income from operations	5,807	2,979
Other income (expense), net	780	(1,736)
Interest expense	(2,102)	(960)
Income before income taxes	4,485	283
Income tax expense	1,430	85
Net income	3,055	198
Less net loss attributable to noncontrolling interest	(45)
Net income attributable to CECO Environmental Corp.	$ 3,100	$ 198
Earnings per share:
Basic	$ 0.09	$ 0.01
Diluted	$ 0.09	$ 0.01
Weighted average number of common shares outstanding:
Basic	33,928,052	26,271,316
Diluted	34,116,534	26,660,595