CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues [Abstract]
Revenue, net	$ 45,712	$ 28,146	$ 76,366	$ 57,657
Cost of revenue	27,847	15,734	45,053	32,702
Gross profit	17,865	12,412	31,313	24,955
Operating expenses:
Selling and marketing	9,583	6,715	16,963	13,748
Research and development	1,696	2,239	3,824	3,605
General and administrative	11,040	4,024	19,599	8,243
Total operating expenses	22,319	12,978	40,386	25,596
Operating loss	(4,454)	(566)	(9,073)	(641)
Interest and other expense (income), net	2,145	21	4,343	5
Loss before income taxes and equity in losses of unconsolidated affiliates	(6,599)	(587)	(13,416)	(646)
Income tax expense (benefit):
Current income tax expense	31	28	56	72
Deferred income tax benefit	(243)	(454)	(1,776)	(1,508)
Total income tax benefit	(212)	(426)	(1,720)	(1,436)
Net (loss) income before equity in losses of unconsolidated affiliates	(6,387)	(161)	(11,696)	790
Equity in losses of unconsolidated affiliates	(87)	(127)	(217)	(308)
Net (loss) income after equity in losses of unconsolidated affiliates	(6,474)	(288)	(11,913)	482
Net loss attributable to redeemable non-controlling interest	(117)	(47)	(268)	(91)
Net (loss) income attributable to Heska Corporation	$ (6,357)	$ (241)	$ (11,645)	$ 573
Earnings Per Share [Abstract]
Basic (loss) earnings per share attributable to Heska Corporation (in dollars per share)	$ (0.72)	$ (0.03)	$ (1.43)	$ 0.08
Diluted (loss) earnings per share attributable to Heska Corporation (in dollars per share)	$ (0.72)	$ (0.03)	$ (1.43)	$ 0.07
Weighted average outstanding shares used to compute basic (loss) earnings per share attributable to Heska Corporation (in shares)	8,776	7,486	8,165	7,463
Weighted average outstanding shares used to compute diluted (loss) earnings per share attributable to Heska Corporation (in shares)	8,776	7,486	8,165	7,956