Cover Page - shares	3 Months Ended
	Mar. 31, 2022	May 05, 2022
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
Document Transition Report	false
Entity File Number	000-22427
Entity Registrant Name	HESKA CORPORATION
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	77-0192527
Entity Address, Address Line One	3760 Rocky Mountain Avenue
Entity Address, City or Town	Loveland
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80538
City Area Code	970
Local Phone Number	493-7272
Title of 12(b) Security	Common stock, $0.01 par value
Trading Symbol	HSKA
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		10,790,622
Entity Central Index Key	0001038133
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2022