XML 19 R7.htm IDEA: XBRL DOCUMENT v3.10.0.1
Notes to Condensed Consolidated Financial Statements (Details Narrative) - shares
3 Months Ended 6 Months Ended
Nov. 30, 2018
Nov. 30, 2017
Nov. 30, 2018
Nov. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Weighted Average Number of Shares Outstanding, Basic and Diluted 3,466,796 3,445,429 3,467,002 3,447,383