CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net (loss) income after equity in losses from unconsolidated affiliates	$ (6,474)	$ (288)	$ (11,913)	$ 482
Other comprehensive (loss) income:
Foreign currency translation	2,216	83	1,860	21
Comprehensive (loss) income	(4,258)	(205)	(10,053)	503
Comprehensive loss attributable to redeemable non-controlling interest	(117)	(47)	(268)	(91)
Comprehensive (loss) income attributable to Heska Corporation	$ (4,141)	$ (158)	$ (9,785)	$ 594