Summary of Significant Accounting Policies (Sales Related Deductions Activity) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Activity of Sales Related Deductions [Roll Forward]
Balance	$ 1,501	$ 1,988	$ 0
Provision related to current period sales	6,607	2,805
Credits/payments	(6,120)	(1,304)
Rebates and Chargebacks
Activity of Sales Related Deductions [Roll Forward]
Balance	1,644	1,113	0
Provision related to current period sales	3,929	1,375
Credits/payments	(3,398)	(262)
Distribution Related Fees
Activity of Sales Related Deductions [Roll Forward]
Balance	94	147	0
Provision related to current period sales	461	332
Credits/payments	(514)	(185)
Returns and Other Sales Related Deductions
Activity of Sales Related Deductions [Roll Forward]
Balance	250	241	0
Provision related to current period sales	2,217	1,098
Credits/payments	$ (2,208)	$ (857)

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Total of 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 established to represent expected future costs.

+ References

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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Total of the deductions 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 established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively.

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