CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net (loss) income	$ (1,670)	$ 3,083	$ 2,383	$ 10,525
Other comprehensive income (loss):
Foreign currency translation	15	(45)	(16)	125
Comprehensive (loss) income	(1,655)	3,038	2,367	10,650
Comprehensive loss attributable to non-controlling interest	0	0	0	(498)
Comprehensive (loss) income attributable to Heska Corporation	$ (1,655)	$ 3,038	$ 2,367	$ 11,148