Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Mar. 01, 2022
Jun. 30, 2021
Document and Entity Information      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 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 389-0932    
Title of 12(b) Security Common Stock, par value $0.01 per share    
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 Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Public Float     $ 100.3
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
ICFR Auditor Attestation Flag true    
Entity Common Stock, Shares Outstanding   4,450,062  
Auditor Name BDO USA, LLP    
Auditor Firm ID 243    
Auditor Location Woodbridge, New Jersey    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY