XML 51 R31.htm IDEA: XBRL DOCUMENT v3.5.0.2
Marketable Securities (Tables)
12 Months Ended
Mar. 31, 2016
Marketable Securities [Abstract]  
Schedule of Marketable Securities

 

      March 31,
      2015   2016
           
Cost     $9,539   $13,611
           
Market value     $9,803   $12,020