NON-CONTROLLING INTEREST AND RELATED PARTY ITEMS (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014	Feb. 24, 2013
Heska Imaging charges from Cuattro, LLC	$ 5,800
Heska Imaging carges from Heska Corp.	3,400
Cuattro, LLC charges from Heska Corp.	125
Heska Imaging Note Receivable from Cuattro Vet, LLC	1,500
Heska Imaging accounts receivable from Cuattro Software, LLC	488
Heska Corp. accounts receivable from Heska Imaging	5,800
Heska Corp. accounts receivable from Cuattro, LLC	15
Heska Imaging accounts payable to Cuattro, LLC	64
Non-Controlling Interest	15,855	$ 15,679
Accretion of non-controlling interest	$ 176
Cuattro Veterinary USA, LLC
Interest acquired in combination			54.60%
Remaining minority position of Cuattro Vet subject to purchase			45.40%
Shawna M. Wilson ownership in Heska Imaging			29.75%
Clint Roth, DVM ownership in Heska Imaging			8.39%
Steven M. Asakowicz ownership in Heska Imaging			4.09%
Rodney A. Lippincott ownership in Heska Imaging			3.07%
Kevin S. Wilson ownership in Heska Imaging			0.05%
Cuattro, LLC ownership in Heska Imaging			0.05%