Document And Entity Information
Document And Entity Information | Jan. 13, 2020 |
Cover [Abstract] | |
Document Type | 8-K |
Amendment Flag | false |
Document Period End Date | Jan. 13, 2020 |
Entity Registrant Name | ARENA PHARMACEUTICALS INC |
Entity Central Index Key | 0001080709 |
Entity Emerging Growth Company | false |
Entity File Number | 000-31161 |
Entity Incorporation State Country Code | DE |
Entity Tax Identification Number | 23-2908305 |
Entity Address Address Line1 | 6154 Nancy Ridge Drive |
Entity Address City Or Town | San Diego |
Entity Address State Or Province | CA |
Entity Address Postal Zip Code | 92121 |
City Area Code | 858 |
Local Phone Number | 453-7200 |
Written Communications | false |
Soliciting Material | false |
Pre-commencement Tender Offer | false |
Pre-commencement Issuer Tender Offer | false |
Title of 12(b) Security | Common Stock, par value $0.0001 per share |
Trading Symbol | ARNA |
Security Exchange Name | NASDAQ |