Segment Information (Tables)

9 Months Ended

Sep. 30, 2016

Segment Information

Schedule of results of operations by segment

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Net sales
Activated Carbon and Service	$	112,504	$	121,330	$	339,861	$	367,644
Equipment		9,784		9,659		30,094		30,003
Consumer		1,682		1,987		6,811		6,484
Consolidated net sales	$	123,970	$	132,976	$	376,766	$	404,131
Income (loss) from operations
Activated Carbon and Service	$	9,669	$	18,054	$	31,328	$	55,696
Equipment		(543)		(1,278)		(2,390)		(2,680)
Consumer		167		192		989		1,037
		9,293		16,968		29,927		54,053
Reconciling items:
Interest income		—		6		35		51
Interest expense		(538)		(254)		(1,099)		(500)
Other income (expense) — net		(758)		890		(555)		(261)
Income before income tax provision	$	7,997	$	17,610	$	28,308	$	53,343
Depreciation and amortization
Activated Carbon and Service	$	8,586	$	7,954	$	25,630	$	23,461
Equipment		357		514		1,246		1,864
Consumer		139		156		442		463
	$	9,082	$	8,624	$	27,318	$	25,788