SUPPLEMENTAL QUARTERLY FINANCIAL INFORMATION (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Schedule of quarterly financial information

The following tables present quarterly unaudited results for the two years ended December 31, 2017 and 2016 (amounts in thousands, except per share data).

	Q1		Q2		Q3		Q4			Total
2017
Total revenue (revised)	$	29,559	$	33,405	$	30,336	$	36,041		$	129,341
Gross profit	13,209		14,929		13,553		16,570			58,261
Operating income	2,788		4,560		3,778		7,093			18,219
Net income	4,303		3,139		3,083		(1,069		)	9,456
Net income attributable to Heska Corporation	4,606		3,333		3,083		(1,069		)	9,953
Basic earnings (loss) per share attributable to Heska Corporation	0.67		0.47		0.43		(0.15		)	1.42
Diluted earnings (loss) per share attributable to Heska Corporation	0.60		0.44		0.40		(0.14		)	1.30
2016
Total revenue	$	27,146	$	29,965	$	33,430	$	39,542		$	130,083
Gross profit	11,442		12,682		13,718		16,050			53,892
Operating income	1,970		3,556		4,492		6,515			16,533
Net income	1,447		2,742		3,343		4,633			12,165
Net income attributable to Heska Corporation	1,186		2,522		3,347		3,453			10,508
Basic earnings per share attributable to Heska Corporation	0.18		0.38		0.49		0.50			1.55
Diluted earnings per share attributable to Heska Corporation	0.17		0.35		0.45		0.46			1.43

Schedule of Corrections

The following table illustrates the correction shown in the statements of income in Form 10-Q:

	Three Months Ended March 31, 2017									Three Months Ended June 30, 2017									Three Months Ended September 30, 2017
	As Reported			Adjustment			As Revised			As Reported			Adjustment			As Revised			As Reported			Adjustment			As Revised
Revenue	$	30,382		$	(823	)	$	29,559		$	34,336		$	(931	)	$	33,405		$	31,428		$	(1,092	)	$	30,336
Cost of Revenue	(17,173		)	823			(16,350		)	(19,407		)	931			(18,476		)	(17,875		)	1,092			(16,783		)
Gross Profit	13,209			—			13,209			14,929			—			14,929			13,553			—			13,553
Gross Margin	43.5		%				44.7		%	43.5		%				44.7		%	43.1		%				44.7		%