The Company And Summary Of Significant Accounting Policies (Narrative) (Details)	0 Months Ended	3 Months Ended								12 Months Ended				12 Months Ended							12 Months Ended	0 Months Ended		3 Months Ended		12 Months Ended												1 Months Ended			3 Months Ended	12 Months Ended	1 Months Ended
	Oct. 21, 2012	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Sep. 30, 2013 USD ($)	Jun. 30, 2013 USD ($)	Mar. 31, 2013 USD ($)	Dec. 31, 2014 USD ($) segment loan	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Apr. 18, 2011 USD ($)	Dec. 31, 2014 Employee Stock Purchase Plan [Member]	Dec. 31, 2013 Deferred Tax [Member] USD ($)	Dec. 31, 2013 Prepaid Expenses [Member] USD ($)	Dec. 31, 2013 Accounts Payable [Member] USD ($)	Dec. 31, 2014 One Customer [Member] USD ($) customer	Dec. 31, 2013 One Customer [Member] USD ($) customer	Dec. 31, 2014 Accounts receivable attributable to One Customer [Member] USD ($)	Dec. 31, 2014 China [Member] item	Jul. 14, 2014 Sanofi [Member] USD ($)	Jul. 14, 2014 Sanofi [Member] CNY	Jun. 30, 2014 Sanofi [Member] USD ($)	Dec. 31, 2013 Sanofi [Member] USD ($)	Dec. 31, 2014 Aggrastat Product Sales [Member] USD ($)	Dec. 31, 2013 Aggrastat Product Sales [Member] USD ($)	Dec. 31, 2012 Aggrastat Product Sales [Member] USD ($)	Dec. 31, 2014 ZADAXIN [Member] site country	Dec. 31, 2014 Office Furniture and Fixtures [Member]	Dec. 31, 2014 Office Equipment And Computer Software [Member]	Dec. 31, 2014 Vehicle [Member]	Dec. 31, 2013 Research And Development [Member] USD ($)	Dec. 31, 2014 Minimum [Member]	Dec. 31, 2014 Minimum [Member] Stock Options And RSUs [Member]	Dec. 31, 2014 Maximum [Member]	Dec. 31, 2014 Maximum [Member] Stock Options And RSUs [Member]	Nov. 30, 2014 SPIL China [Member] One Customer [Member] USD ($)	Oct. 31, 2014 SPIL China [Member] One Customer [Member] USD ($)	Jul. 31, 2014 SPIL China [Member] One Customer [Member] USD ($)	Dec. 31, 2014 SPIL China [Member] One Customer [Member] USD ($)	Dec. 31, 2014 SPIL China [Member] One Customer [Member] USD ($)	Dec. 31, 2015 SPIL China [Member] Scenario, Forecast [Member] One Customer [Member] USD ($)	May 31, 2015 SPIL China [Member] Scenario, Forecast [Member] One Customer [Member] USD ($)
Basis of Presentation [Line Items]
Number of countries in which product is approved																													30
Number of partnered products to which the company markets																					7
Customer revenue percentage										10.00%
Accounts receivable gross																		$ 900,000		$ 38,900,000
Percentage of accounts receivable, gross																				94.00%
Number of customers																		1	1
Number of suppliers of key components																													2
Accounts receivable past due ninety days or more																		3,000,000	3,500,000
Allowance for doubtful accounts		998,000				3,587,000				998,000	3,587,000
Period past due																			1 year
Allowance for doubtful accounts, collected																																						500,000	500,000	500,000	1,000,000		500,000	400,000
Settlement between customer and company																		1,900,000				3,500,000	22,000,000
Write-down of accounts receivable																		1,100,000							2,600,000
General and administrative expense										22,746,000	32,496,000	21,344,000																														(1,500,000)
Product returns reserve amount										100,000	0
Property and equipment, useful life																														5 years	3 years	4 years
Number of loans receivable										2
Allowance for loan losses		0								0
Contingent consideration (earn-out) at estimated fair value												0	43,000,000
Agreement payment terms	60 days
Settlement between customer and company																		1,900,000				3,500,000	22,000,000
Promotion services		688,000	666,000	962,000	501,000	809,000	9,953,000	7,609,000	9,273,000	2,817,000	27,644,000	33,098,000												200,000
Decrease in deferred revenue																									(2,600,000)
Provision for expiring inventory										1,574,000																1,600,000	0	0
Business tax																																		5.00%		6.42%
Sales tax and surcharge costs										2,500,000	3,500,000	3,800,000
Advertising expenses										500,000	100,000	200,000
Vesting period														3 months																					1 year		4 years
Accrued interest related to tax positions		1,500,000				1,200,000				1,500,000	1,200,000
Interest recognized as tax expense										300,000	400,000
Shares excluded from the calculation of diluted net income per share										3,541,071	3,378,063	3,280,492
Shares excluded from calculation of diluted net income per share due to performance conditions										50,000	50,171	118,046
Reclassification adjustment															$ 400,000	$ 200,000	$ 500,000																$ 600,000
Number of operating segments										2