XML 86 R1.htm IDEA: XBRL DOCUMENT v3.19.2
Document and Entity Information - USD ($)
 12 Months Ended
Jun. 30, 2019
Sep. 06, 2019
Dec. 31, 2018
Cover page.      
Entity Registrant Name EVOLUTION PETROLEUM CORP    
Entity Central Index Key 0001006655    
Current Fiscal Year End Date --06-30    
Entity Filer Category Accelerated Filer    
Document Type 10-K    
Document Period End Date Jun. 30, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   33,064,797  
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Shell Company false    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Public Float     $ 158,319,105