v3.3.1.900
Document And Entity Information
12 Months Ended
Dec. 31, 2015
shares
Document Information [Line Items]  
Entity Registrant Name ALCOBRA LTD.
Entity Central Index Key 0001566049
Current Fiscal Year End Date --12-31
Entity Filer Category Accelerated Filer
Trading Symbol ADHD
Entity Common Stock, Shares Outstanding 27,560,920
Document Type 20-F
Amendment Flag false
Document Period End Date Dec. 31, 2015
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2015
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes