XML 55 R22.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stockholders' Equity (Tables)
6 Months Ended
Oct. 31, 2013
Stockholders' Equity Attributable to Parent [Abstract]  
Schedule of Stock by Class [Table Text Block]
 
2013
2012
Balance, May 1
5,265,750

5,515,750

Restricted stock activity
400,000


Balance, October 31
5,665,750

5,515,750