XML 23 R1.htm IDEA: XBRL DOCUMENT v3.2.0.727
Document And Entity Information - USD ($)
12 Months Ended
May. 31, 2015
Aug. 31, 2014
Document Information [Line Items]    
Document Type 10-K  
Amendment Flag false  
Document Period End Date May 31, 2015  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus FY  
Entity Registrant Name MERCARI COMMUNICATIONS GROUP LTD  
Entity Central Index Key 0000835662  
Current Fiscal Year End Date --05-31  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Filer Category Smaller Reporting Company  
Entity Public Float $ 0  
Trading Symbol MCAR  
Entity Common Stock, Shares Outstanding   45,411,400