XML 20 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Cover - USD ($)
 12 Months Ended
Dec. 31, 2019
Mar. 13, 2020
Jun. 30, 2019
Cover page.      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2019    
Document Transition Report false    
Entity File Number 000-52170    
Entity Registrant Name INNERWORKINGS, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 20-5997364    
Entity Address, Address Line One 203 North LaSalle Street    
Entity Address, Address Line Two Suite 1800    
Entity Address, City or Town Chicago    
Entity Address, State or Province IL    
Entity Address, Postal Zip Code 60601    
City Area Code (312)    
Local Phone Number 642-3700    
Title of 12(b) Security Common Stock, $0.0001 par value    
Trading Symbol INWK    
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 Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 142,440,160
Entity Common Stock, Shares Outstanding   52,142,896  
Entity Central Index Key 0001350381    
Current Fiscal Year End Date --12-31    
Amendment Flag false    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2019    
Documents Incorporated by Reference
The registrant intends to file with the Securities and Exchange Commission a proxy statement pursuant to Regulation 14A or an amendment to this report filed under cover of Form 10-K/A containing the information required to be disclosed under Part III of Form 10-K within 120 days of the end of its fiscal year ended December 31, 2019. Portions of such proxy statement or Form 10-K/A are incorporated by reference into Part III of this Annual Report on Form 10-K.