SEGMENT REPORTING (Details Narrative) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Total revenue									$ 72,805	$ 70,065	$ 65,451
Operating income	720	(27)	383	1,082	414	408	887	1,540	2,158	3,249	358
Interest expense									117	124	189
Total assets	66,826				61,894				66,826	61,894	63,048
Net assets	48,862				48,439				48,862	48,439	45,798
Capital expenditures									1,509	1,084	620
Depreciation and amortization									1,699	2,052	2,298
CoreCompanionAnimalHealthMember
Total revenue									61,502	57,481	55,655
Operating income									1,160	1,564	1,073
Interest expense									117	1,078	128
Total assets	55,071				51,172				55,071	51,172	53,720
Net assets	39,726				40,435				39,726	40,435	39,016
Capital expenditures									634	495	366
Depreciation and amortization									862	1,192	1,413
OtherVaccinesPharmaceuticals
Total revenue									11,303	12,584	9,796
Operating income									998	1,685	(715)
Interest expense									0	17	61
Total assets	11,755				10,722				11,755	10,722	9,328
Net assets	9,136				8,004				9,136	8,004	6,782
Capital expenditures									875	589	254
Depreciation and amortization									$ 837	$ 860	$ 885