Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
3 Months Ended
Mar. 31, 2021
May 05, 2021
Document and Entity Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Mar. 31, 2021  
Entity Registrant Name Wayside Technology Group, Inc.  
Entity File Number 000-26408  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 13-3136104  
Entity Address, Address Line One 4 Industrial Way West, Suite 300  
Entity Address, City or Town Eatontown  
Entity Address, State or Province NJ  
Entity Address, Postal Zip Code 07724  
City Area Code 732  
Local Phone Number 389-8950  
Title of 12(b) Security Common stock, $.01 par value  
Trading Symbol WSTG  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Central Index Key 0000945983  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   4,405,876
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q1