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EX-31.2 - CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302 - ZOGENIX, INC.ex312-2014331.htm
XML - IDEA: XBRL DOCUMENT - ZOGENIX, INC.R10.htm
10-Q - 10-Q - ZOGENIX, INC.zgnx-2014331x10q.htm
XML - IDEA: XBRL DOCUMENT - ZOGENIX, INC.R20.htm
XML - IDEA: XBRL DOCUMENT - ZOGENIX, INC.R27.htm
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XML - IDEA: XBRL DOCUMENT - ZOGENIX, INC.R1.htm
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EXCEL - IDEA: XBRL DOCUMENT - ZOGENIX, INC.Financial_Report.xls
XML - IDEA: XBRL DOCUMENT - ZOGENIX, INC.R9.htm
XML - IDEA: XBRL DOCUMENT - ZOGENIX, INC.R25.htm
EX-32.2 - CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 906 - ZOGENIX, INC.ex322-2014331.htm
EX-32.1 - CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO SECTION 906 - ZOGENIX, INC.ex321-2014331.htm
EX-31.1 - CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO SECTION 302 - ZOGENIX, INC.ex311-2014331.htm
EX-10.3 - INDEPENDENT DIRECTOR COMPENSATION POLICY AMENDED MARCH 2014 - ZOGENIX, INC.ex103directorcomppolicyres.htm
EX-10.2 - AMENDMENT 1 TO ALTUS DEVELOPMENT & OPTION AGREEMENT - ZOGENIX, INC.ex102amend1toaltusdoagrmt.htm
EX-10.1 - MALLINCKRODT CO-PROMOTION TERMINATION AGREEMENT - ZOGENIX, INC.ex101mallinckrodtterminati.htm
v2.4.0.8
Stock-Based Compensation - Assumptions used in Black-Scholes Option-Pricing Model (Detail) (Stock Options [Member])
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk free interest rate , minimum 2.00% 0.80%
Risk free interest rate, maximum 2.00% 1.10%
Expected volatility, minimum 84.90% 86.80%
Expected volatility, maximum 84.90% 87.90%
Expected dividend yield 0.00% 0.00%
Minimum [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term 6 years 5 years
Maximum [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term 6 years 1 month 6 days 6 years 1 month 6 days