CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenue:
Core companion animal health	$ 107,398	$ 84,249	$ 72,354
Other vaccines, pharmaceuticals and products	22,685	20,348	17,483
Total revenue, net	130,083	104,597	89,837
Cost of revenue	76,191	60,384	54,122
Gross profit	53,892	44,213	35,715
Operating expenses:
Selling and marketing	22,092	21,339	19,159
Research and development	2,147	1,658	1,414
General and administrative	13,120	12,659	12,231
Total operating expenses	37,359	35,656	32,804
Operating income	16,533	8,557	2,911
Interest and other expense (income), net	29	130	(39)
Income before income taxes	16,504	8,427	2,950
Income tax expense:
Current income tax expense	407	1,581	47
Deferred income tax expense	3,932	1,327	1,304
Total income tax expense	4,339	2,908	1,351
Net income	12,165	5,519	1,599
Net income (loss) attributable to non-controlling interest	1,657	280	(1,004)
Net income attributable to Heska Corporation	$ 10,508	$ 5,239	$ 2,603
Earnings Per Share [Abstract]
Basic earnings (loss) per share attributable to Heska Corporation, in dollars per share	$ 1.55	$ 0.80	$ 0.44
Diluted earnings (loss) per share attributable to Heska Corporation, in dollars per share	$ 1.43	$ 0.74	$ 0.41
Weighted average outstanding shares used to compute basic earnings per share attributable to Heska Corporation	6,783	6,509	5,951
Weighted average outstanding shares used to compute diluted earnings per share attributable to Heska Corporation	7,361	7,074	6,409