SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Accounting Policies [Abstract]
Outstanding Options	$ 0	$ 697,503

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