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EXCEL - IDEA: XBRL DOCUMENT - HESKA CORPFinancial_Report.xls
XML - IDEA: XBRL DOCUMENT - HESKA CORPR3.htm
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XML - IDEA: XBRL DOCUMENT - HESKA CORPR13.htm
XML - IDEA: XBRL DOCUMENT - HESKA CORPR15.htm
EX-31.2 - CFO CERTIFICATION - HESKA CORPex31-2.htm
EX-31.1 - CEO CERTIFICATION - HESKA CORPex31-1.htm
10-Q - FORM 10Q - HESKA CORPform10q.htm
XML - IDEA: XBRL DOCUMENT - HESKA CORPR11.htm
EX-32.1 - CEO AND CFO CERTIFICATION - HESKA CORPex32-1.htm
v2.4.0.6
FAIR VALUE OF EACH OPTION GRANT (DETAILS)
3 Months Ended 9 Months Ended
Sep. 30, 2012
Int
Sep. 30, 2011
Int
Sep. 30, 2012
Int
Sep. 30, 2011
Int
Notes to Financial Statements        
Risk-free interest rate 35.00% 85.00% 37.00% 99.00%
Expected lives, in years 2.8 3.2 2.8 3.0
Expected volatility 5500.00% 7500.00% 6400.00% 8200.00%
Expected dividend yield 444.00% 0.00% 339.00% 0.00%