Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2023
Mar. 05, 2024
Jun. 30, 2023
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2023    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Trading Symbol RAND    
Entity Registrant Name Rand Capital Corporation    
Entity Well-known Seasoned Issuer No    
Entity Central Index Key 0000081955    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Interactive Data Current Yes    
Current Fiscal Year End Date --12-31    
Entity Filer Category Non-accelerated Filer    
Entity Small Business false    
Entity Shell Company false    
Entity Emerging Growth Company false    
Entity Public Float     $ 10,780,000
Entity Common Stock, Shares Outstanding   2,581,021  
Title of 12(b) Security Common Stock, $0.10 par value    
Security Exchange Name NASDAQ    
Entity File Number 814-00235    
Entity Incorporation, State or Country Code NY    
Entity Tax Identification Number 16-0961359    
Entity Address, Address Line One 1405 Rand Building    
Entity Address, City or Town Buffalo    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 14203    
ICFR Auditor Attestation Flag false    
City Area Code 716    
Local Phone Number 853-0802    
Document Annual Report true    
Document Transition Report false    
Document Financial Statement Error Correction [Flag] false    
Auditor Firm ID 317    
Auditor Location Buffalo, New York    
Auditor Name Freed Maxick CPAs, P.C.    
Documents Incorporated by Reference


Portions of the Corporation’s definitive proxy statement for the 2024 Annual Meeting of Shareholders are incorporated by reference into Part III of this report.