CONCENTRATION OF RISK (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Product Concentration Risk
Concentration Risk [Line Items]
Percentage of concentration risk	18.00%	20.00%	18.00%	19.00%
UnitedHealthcare | Customer Concentration Risk
Concentration Risk [Line Items]
Percentage of concentration risk	22.00%	22.00%		22.00%
Medicare | Customer Concentration Risk
Concentration Risk [Line Items]
Percentage of concentration risk	11.00%	10.00%	12.00%	10.00%