v3.24.1.1.u2
Document And Entity Information - shares
 3 Months Ended
Mar. 31, 2024
May 13, 2024
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2024  
Document Transition Report false  
Entity File Number 001-39468  
Entity Registrant Name Panbela Therapeutics, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 88-2805017  
Entity Address, Address Line One 712 Vista Blvd #305  
Entity Address, City or Town Waconia  
Entity Address, State or Province MN  
Entity Address, Postal Zip Code 55387  
City Area Code 952  
Local Phone Number 479-1196  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding (in shares)   4,854,861
Entity Central Index Key 0001029125  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus Q1  
Amendment Flag false