XML 16 R8.htm IDEA: XBRL DOCUMENT v2.4.1.9
Research and Development
9 Months Ended
Jan. 31, 2015
Research and Development [Abstract]  
Research and Development
3. Research and Development: We invested in research and development activities. The amount invested in the nine months ended January 31, 2015 and 2014 was $1,220 and $1,569 respectively.