• Filing Date: 2021-03-05
  • Form Type: 10-K
  • Description: Annual report
v3.20.4
Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2020
Mar. 01, 2021
Jun. 30, 2020
Document and Entity Information [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2020    
Document Transition Report false    
Entity File Number 001-34703    
Entity Registrant Name Alimera Sciences, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 20-0028718    
Entity Address, Address Line One 6120 Windward Parkway    
Entity Address, Address Line Two Suite 290    
Entity Address, City or Town Alpharetta    
Entity Address, State or Province GA    
Entity Address, Postal Zip Code 30005    
City Area Code 678    
Local Phone Number 990-5740    
Title of 12(b) Security Common Stock, $0.01 par value per share    
Trading Symbol ALIM    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Smaller Reporting Company true    
Emerging Growth Company false    
ICFR Auditor Attestation false    
Entity Shell Company false    
Entity Public Float     $ 29,531,837
Entity common stock, shares outstanding (in shares)   5,753,434  
Documents Incorporated by Reference Specified portions of the registrant’s proxy statement with respect to the registrant’s 2021 Annual Meeting of Stockholders, which is to be filed pursuant to Regulation 14A within 120 days after the end of the registrant’s fiscal year ended December 31, 2020, are incorporated by reference into Part III of this Annual Report on Form 10-K.    
Entity Central Index Key 0001267602    
Amendment Flag false    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2020    
Current Fiscal Year End Date --12-31