REVENUE RECOGNITION AND RELATED ALLOWANCES (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014
Valuation and Qualifying Accounts Disclosure
Beginning balance	$ 8,708
Ending balance	7,724
Chargebacks
Valuation and Qualifying Accounts Disclosure
Beginning balance	6,865	$ 4,076
Accruals/Adjustments	31,903	19,327
Credits Taken Against Reserve	(32,847)	(17,070)
Ending balance	5,921	6,333
Medicaid Rebates
Valuation and Qualifying Accounts Disclosure
Beginning balance	2,264	253
Accruals/Adjustments	3,131	266
Credits Taken Against Reserve	(3,504)	(322)
Ending balance	1,891	197
Returns
Valuation and Qualifying Accounts Disclosure
Beginning balance	1,445	736
Accruals/Adjustments	1,342	561
Credits Taken Against Reserve	(1,068)	(346)
Ending balance	1,719	951
Administrative Fees and Other Rebates
Valuation and Qualifying Accounts Disclosure
Beginning balance	1,487	735
Accruals/Adjustments	4,385	2,360
Credits Taken Against Reserve	(4,432)	(1,974)
Ending balance	1,440	1,121
Prompt Payment Discounts
Valuation and Qualifying Accounts Disclosure
Beginning balance	471	332
Accruals/Adjustments	1,839	742
Credits Taken Against Reserve	(1,825)	(734)
Ending balance	$ 485	$ 340

Total of the adjustments in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

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