XML 11 R4.htm IDEA: XBRL DOCUMENT v3.10.0.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2018
Mar. 31, 2018
Statement of Financial Position [Abstract]    
Dividend rate redeemable $ 1 $ 1
Common shares issued 8,136,348 8,136,348
Common shares outstanding 8,136,348 8,136,348