ACQUISITION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Feb. 24, 2013
Heska Imaging charges from Cuattro, LLC	$ 2,100
Heska Imaging carges from Heska Corp.	1,700
Cuattro, LLC charges from Heska Corp.	33
Heska Imaging Note Receivable from Cuattro Vet, LLC	1,500
Heska Imaging accounts receivable from Cuattro Software, LLC	826
Heska Corp. accounts receivable from Heska Imaging	5,800
Heska Corp. accounts receivable from Cuattro, LLC	14
Heska Imaging accounts payable to Cuattro, LLC	275
Non-Controlling Interest	15,825	15,679
Accretion of non-controlling interest	146
Cuattro Veterinary USA, LLC
Interest acquired in combination			54.60%
Cost of business acquisition in cash and stock			7,600
Minimum cash paid for acquisition			$ 4,000
Following acquisition, former Cuattro Vet unit holders retained Public Common Stock			7.20%
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			5.00%
Cuattro, LLC ownership in Heska Imaging			5.00%