XML 36 R1.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Feb. 27, 2020
Jun. 28, 2019
Document and Entity Information      
Entity Registrant Name GLAUKOS Corp    
Entity Central Index Key 0001192448    
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2019    
Entity File Number 001-37463    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 33-0945406    
Entity Address, Address Line One 229 Avenida Fabricante    
Entity Address, City or Town San Clemente    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 92672    
City Area Code 949    
Local Phone Number 367-9600    
Title of 12(b) Security Common Stock    
Trading Symbol GKOS    
Security Exchange Name NYSE    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Common Stock, Shares Outstanding   43,744,455  
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Entity Public Float     $ 2,679