Consolidated Statements of Stockholders Equity (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock	Additional Paid-In Capital	Other Comprehensive Income / Loss	Retained Earnings / Accumulated Deficit	Total
Balance, values at Dec. 31, 2010	$ 52	$ 217,240	$ 284	$ (171,778)	$ 45,798
Balance, shares at Dec. 31, 2010	5,231
Net income (loss)				2,145	2,145
Issuance of common stock relsted to options, ESPP - shares	19
Issuance of common stock related to options, ESPP - value		124			124
Recognition of stock based compensation		414			414
Stock issued for Heska Imaging, values
Comprehensive net income:
Minimum pension liability adjustments			(20)		(20)
Unrealized gain (loss) on available for sale investments			(8)		(8)
Foreign currency translation adjustments			(14)		(14)
Stock issued for Heska Imaging Mark to Market at Dec. 31, 2011
Balance, values at Dec. 31, 2011	52	217,778	242	(169,633)	48,439
Balance, shares at Dec. 31, 2011	5,250
Net income (loss)				1,203	1,203
Issuance of common stock relsted to options, ESPP - shares	122	2			2
Issuance of common stock related to options, ESPP - value		388			388
Recognition of stock based compensation		378			378
Stock issued for Heska Imaging, values
Dividends paid				(1,602)	(1,602)
Comprehensive net income:
Minimum pension liability adjustments			(20)		(20)
Unrealized gain (loss) on available for sale investments			0		0
Foreign currency translation adjustments			74		74
Stock issued for Heska Imaging Mark to Market at Dec. 31, 2012
Balance, values at Dec. 31, 2012	54	218,544	296	(170,032)	48,862
Balance, shares at Dec. 31, 2012	5,372
Net income (loss)				(939)	(939)
Issuance of common stock relsted to options, ESPP - shares	55
Issuance of common stock related to options, ESPP - value		323			323
Recognition of stock based compensation		423			423
Stock issued for Heska Imaging, values		3,571			3,571
Accretion of non-controlling interest		(1,868)			(1,868)
Accrued distribution for Heska Imaging minority				(139)	(139)
Comprehensive net income:
Minimum pension liability adjustments			182		182
Unrealized gain (loss) on available for sale investments			30		30
Foreign currency translation adjustments			72		72
Stock Issued for Heska Imaging, shares at Dec. 31, 2013	419	4			4
Stock issued for Heska Imaging Mark to Market at Dec. 31, 2013		$ (3,405)			$ (3,405)