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Cover - shares
 3 Months Ended
Mar. 31, 2025
May 01, 2025
Cover [Abstract]    
Entity Registrant Name SOLITARIO RESOURCES CORP.  
Entity Central Index Key 0000917225  
Document Type 10-Q  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Small Business true  
Entity Shell Company false  
Entity Emerging Growth Company false  
Entity Current Reporting Status Yes  
Document Period End Date Mar. 31, 2025  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2025  
Entity Common Stock Shares Outstanding   82,666,918
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 001-39278  
Entity Incorporation State Country Code CO  
Entity Tax Identification Number 84-1285791  
Entity Address Address Line 1 4251 Kipling St. Suite 390  
Entity Address City Or Town Wheat Ridge  
Entity Address State Or Province CO  
Entity Address Postal Zip Code 80033  
City Area Code 303  
Local Phone Number 534-1030  
Security 12b Title Common Stock, $0.01 par value  
Trading Symbol XPL  
Security Exchange Name NYSE  
Entity Interactive Data Current Yes