CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income	$ 1,897	$ 3,139	$ 4,052	$ 7,442
Other comprehensive (loss) income:
Foreign currency translation	(112)	114	(31)	170
Comprehensive income	1,785	3,253	4,021	7,612
Comprehensive loss attributable to non-controlling interest	0	(194)	0	(498)
Comprehensive income attributable to Heska Corporation	$ 1,785	$ 3,447	$ 4,021	$ 8,110