ACQUISITION (Tables)

9 Months Ended

Sep. 30, 2014

Business Combinations [Abstract]

Pro forma financial information

	Nine Months Ended September 30,
	2013			2014
Revenue, net	$	54,835			$	65,514
Net income (loss) attributable to Heska Corporation		(2,373	)			1,774
Basic earnings (loss) per share attributable to Heska Corporation	$	(0.41	)		$	0.30
Diluted earnings (loss) per share attributable to Heska Corporation		(0.41	)			0.28