CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income	$ 2,155	$ 4,303
Other comprehensive income:
Foreign currency translation	81	56
Comprehensive income	2,236	4,359
Comprehensive loss attributable to non-controlling interest	0	(304)
Comprehensive income attributable to Heska Corporation	$ 2,236	$ 4,663