Summary of Significant Accounting Policies (Details) (USD $)	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Notes to Financial Statements
Outstanding Options	$ 510,770	$ 889,047	$ 538,941	$ 1,098,208

Common stock equivalent securities that were anti-dilutive. These securities are anti-dilutive primarily due to exercise prices greater than the average trading price of the Company's common stock.

No definition available.

Name:	HSKA_CommonStockEquivalentSecurities
Namespace Prefix:	HSKA_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration