CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenue:
Core companion animal health	$ 23,434	$ 19,572
Other vaccines, pharmaceuticals and products	3,712	3,322
Total revenue, net	27,146	22,894
Cost of revenue	15,704	12,810
Gross profit	11,442	10,084
Operating expenses:
Selling and marketing	5,619	5,460
Research and development	575	419
General and administrative	3,278	3,184
Total operating expenses	9,472	9,063
Operating income	1,970	1,021
Interest and other expense (income), net	(133)	137
Income before income taxes	2,103	884
Income tax expense:
Current income tax expense	74	44
Deferred income tax expense	582	257
Total income tax expense	656	301
Net income	1,447	583
Net income (loss) attributable to non-controlling interest	261	(15)
Net income attributable to Heska Corporation	$ 1,186	$ 598
Earnings Per Share [Abstract]
Basic earnings per share attributable to Heska Corporation, in dollars per share	$ 0.18	$ 0.10
Diluted earnings per share attributable to Heska Corporation, in dollars per share	$ 0.17	$ 0.09
Weighted average outstanding shares used to compute basic earnings per share attributable to Heska Corporation	6,496	6,181
Weighted average outstanding shares used to compute diluted earnings per share attributable to Heska Corporation	7,164	6,869