XML 13 R1.htm IDEA: XBRL DOCUMENT v3.5.0.2
Document and Entity Information - shares
 3 Months Ended
Sep. 30, 2016
Nov. 04, 2016
Document and Entity Information    
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-Q  
Document Period End Date Sep. 30, 2016  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   33,045,515