XML 52 R20.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stockholders' Equity (Tables)
6 Months Ended
Oct. 31, 2014
Stockholders' Equity Attributable to Parent [Abstract]  
Schedule of Stock by Class [Table Text Block]
 
2014
2013
Balance, May 1
5,615,750

5,265,750

Restricted stock activity

400,000

Balance, October 31
5,615,750

5,665,750