REVENUES BY PRODUCT CATEGORY AND GEOGRAPHIC REGION AND SIGNIFICANT CONCENTRATIONS, Concentration Risk (Details) - Customer Concentration Risk [Member] - Customer	3 Months Ended		6 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Mar. 31, 2017
Worldwide Revenues [Member]
Concentration Risk [Line Items]
Number of major customers	4	4	4	4
Worldwide Revenues [Member] | MWI Veterinary Supply, Inc. [Member]
Concentration Risk [Line Items]
Revenue or accounts receivable by major customer	22.00%	20.00%	22.00%	20.00%
Worldwide Revenues [Member] | Henry Schein, Inc. [Member]
Concentration Risk [Line Items]
Revenue or accounts receivable by major customer	14.00%	14.00%	15.00%	13.00%
Worldwide Revenues [Member] | Patterson Companies, Inc. [Member]
Concentration Risk [Line Items]
Revenue or accounts receivable by major customer	11.00%	10.00%	11.00%	11.00%
Worldwide Revenues [Member] | Abbott Point of Care, Inc. [Member]
Concentration Risk [Line Items]
Revenue or accounts receivable by major customer	11.00%	11.00%	10.00%	10.00%
Accounts Receivable [Member]
Concentration Risk [Line Items]
Number of major customers			2		3
Accounts Receivable [Member] | Distributor One [Member]
Concentration Risk [Line Items]
Revenue or accounts receivable by major customer			29.00%
Accounts Receivable [Member] | Distributor Two [Member]
Concentration Risk [Line Items]
Revenue or accounts receivable by major customer			12.00%
Accounts Receivable [Member] | Distributor Three [Member]
Concentration Risk [Line Items]
Revenue or accounts receivable by major customer					26.00%
Accounts Receivable [Member] | Distributor Four [Member]
Concentration Risk [Line Items]
Revenue or accounts receivable by major customer					13.00%
Accounts Receivable [Member] | Distributor Five [Member]
Concentration Risk [Line Items]
Revenue or accounts receivable by major customer					10.00%