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SEGMENT AND SIGNIFICANT CUSTOMER INFORMATION
 3 Months Ended
Mar. 31, 2013
Segment Reporting [Abstract]  
Segment Reporting Disclosure [Text Block]
13. SEGMENT AND SIGNIFICANT CUSTOMER INFORMATION

 

Pursuant to Codification Topic 280, Segment Reporting, we operate in one reportable business segment, that being the development, acquisition, manufacture and sale of products that improve the health and productivity of cows for the dairy and beef industries. Almost all of our internally funded product development expenses are in support of such products. Our primary customers for the majority of our product sales (83% and 80% for the three-month periods ended March 31, 2013 and 2012, respectively) are in the U.S. dairy and beef industries. Product sales to international customers, who are also in the dairy and beef industries, aggregated 17% and 20% of our total product sales for the three-month periods ended March 31, 2013 and 2012, respectively. Sales to significant customers that amounted to 10% or more of total product sales are detailed in the following table:

 

    For the Three-Month
Periods Ended March 31,		  
    2013     2012  
Animal Health International, Inc.     38 %     40 %
MWI Veterinary Supply Company     15 %     14 %

 

Accounts receivable due from significant customers that amounted to 10% or more of total trade accounts receivable are detailed in the following table:

 

    As of 
March 31, 2013		     As of 
December 31, 2012		  
Animal Health International, Inc.     32 %     28 %
MWI Veterinary Supply Company     18 %     14 %
Leedstone, Inc.     10 %     *  
TCS BioSciences, Ltd.     *       15 %

* Amount is less than 10%.