COMMITMENTS AND CONTINGENCIES (Details) (USD $)	3 Months Ended		6 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2012	Sep. 30, 2012	Sep. 30, 2011
future minimum payments due [Line Items]
Large PBM Services customer late payment	$ 7,800,000			$ 7,800,000
Operating Leases, Future Minimum Payments Due, Current	1,531,000			1,531,000
Capital Leases, Future Minimum Payments Due, Current	72,000			72,000
future minimum payments due, current	1,603,000			1,603,000
Operating Leases, Future Minimum Payments, Due in Two Years	4,620,000			4,620,000
Capital Leases, Future Minimum Payments Due in Two Years	1,018,000			1,018,000
future minimum payments due in two years	5,638,000			5,638,000
Operating Leases, Future Minimum Payments, Due in Three Years	3,307,000			3,307,000
Capital Leases, Future Minimum Payments Due in Three Years	225,000			225,000
future minimum payments due in three years	3,532,000			3,532,000
Operating Leases, Future Minimum Payments, Due in Four Years	2,686,000			2,686,000
Capital Leases, Future Minimum Payments Due in Four Years	192,000			192,000
future minimum payments due in four years	2,878,000			2,878,000
Operating Leases, Future Minimum Payments, Due in Five Years	2,188,000			2,188,000
Capital Leases, Future Minimum Payments Due in Five Years	23,000			23,000
future minimum payments due in five years	2,211,000			2,211,000
Operating Leases, Future Minimum Payments, Due Thereafter	3,770,000			3,770,000
Capital Leases, Future Minimum Payments Due Thereafter	0			0
future minimum leases due thereafter	3,770,000			3,770,000
Operating Leases, Future Minimum Payments Due	18,102,000			18,102,000
Capital Leases, Future Minimum Payments Due	1,530,000			1,530,000
Operating Leases, Rent Expense	1,700,000	1,400,000		4,600,000	4,200,000
Long-term Purchase Commitment, Amount			6,300,000
future minimum payments due	$ 19,632,000			$ 19,632,000
Minimum [Member]
future minimum payments due [Line Items]
capital lease interest rate	0.00%			0.00%
Maximum [Member]
future minimum payments due [Line Items]
capital lease interest rate	0.00%			0.00%