SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2014

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Schedule of allowance for doubtful accounts

	Year Ended December 31,
	2014			2013			2012
Beginning balance	$	(849	)	$	(751	)	$	(675	)
Charged to expense		(4,045	)		(873	)		(605	)
Write-offs, net of recoveries		1,851			775			529
Ending balance	$	(3,043	)	$	(849	)	$	(751	)

Schedule of revenue from therapeutic classes

	Year Ended December 31,
	2014		2013		2012
Oncology	$	1,068,751	$	736,987	$	495,028
Immunology(1)		438,145		378,685		319,092
Multiple Sclerosis		226,805		169,470		110,947
Other (none greater than 10%)		481,255		229,997		201,876
Total revenue	$	2,214,956	$	1,515,139	$	1,126,943

(1) Includes drugs dispensed to treat arthritis, Crohn's disease and psoriasis.