v3.7.0.1
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2017
May 05, 2017
Document and Entity Information    
Entity Registrant Name TACTILE SYSTEMS TECHNOLOGY INC  
Entity Central Index Key 0001027838  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2017  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2017  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   16,940,140