CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenue:
Core companion animal health	$ 24,607	$ 23,434
Other vaccines, pharmaceuticals and products	5,775	3,712
Total revenue, net	30,382	27,146
Cost of revenue	17,173	15,704
Gross profit	13,209	11,442
Operating expenses:
Selling and marketing	6,100	5,619
Research and development	530	575
General and administrative	3,791	3,278
Total operating expenses	10,421	9,472
Operating income	2,788	1,970
Interest and other income, net	(62)	(133)
Income before income taxes	2,850	2,103
Income tax expense (benefit):
Current income tax expense:	7	74
Deferred income tax expense (benefit)	(1,460)	582
Total income tax expense (benefit)	(1,453)	656
Net income	4,303	1,447
Net income (loss) attributable to non-controlling interest	(304)	261
Net income attributable to Heska Corporation	$ 4,607	$ 1,186
Earnings Per Share [Abstract]
Basic earnings per share attributable to Heska Corporation, in dollars per share	$ 0.66	$ 0.18
Diluted earnings per share attributable to Heska Corporation, in dollars per share	$ 0.61	$ 0.17
Weighted average outstanding shares used to compute basic earnings per share attributable to Heska Corporation	7,011	6,496
Weighted average outstanding shares used to compute diluted earnings per share attributable to Heska Corporation	7,594	7,164