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Stockholder's Equity (Details Narrative) (USD $)
 6 Months Ended 6 Months Ended 0 Months Ended
Oct. 31, 2013
Apr. 30, 2013
Sep. 11, 2008
2008 Stock Option Plan [Member]
Oct. 31, 2013
Certificate #1 [Member]
Oct. 31, 2013
Certificate #2 [Member]
Oct. 31, 2013
Certificate #3 [Member]
Oct. 31, 2013
Certificate #1 [Member]
Oct. 31, 2013
Certificate #2 [Member]
Oct. 31, 2013
Certificate #3 [Member]
Nov. 10, 2011
Larry D. Hall [Member]
Nov. 10, 2013
Larry D. Hall [Member]
Preferred stock, shares authorized 100,000,000 100,000,000                  
Preferred stock, par value $ 0.001 $ 0.001                  
Preferred stock, shares issued                        
Preferred stock, shares outstanding                        
Common stock, shares authorized 100,000,000 100,000,000                  
Common stock, par value $ 0.001 $ 0.001                  
Common stock, shares issued 21,554,945 21,554,945                  
Common stock, shares outstanding 21,554,945 21,554,945                  
Number of warrants issued       10,000,000 10,000,000 10,000,000          
Warrants, strike price       $ 0.025 $ 0.04 $ 0.055          
Warrants expiration term             1 year 5 years 5 years    
Required revenue amount to vest all issued warrants $ 12,500,000                    
Warrant issued to acquire common stock, number                   500,000  
Common stock, price per share                     $ 0.18
Number of stock options reserved     2,500,000