XML 13 R1.htm IDEA: XBRL DOCUMENT v3.20.4
Cover Page - shares
 6 Months Ended
Dec. 31, 2020
Jan. 29, 2021
Document and Entity Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Dec. 31, 2020  
Document Transition Report false  
Entity Registrant Name EVOLUTION PETROLEUM CORPORATION  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   33,490,550
Entity Central Index Key 0001006655  
Current Fiscal Year End Date --06-30  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q2  
Amendment Flag false