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Post-effective amendment to a registration statement that is not immediately effective upon filing

Commitments and Contingencies (Narrative) (Details)

v2.4.0.8
Commitments and Contingencies (Narrative) (Details) (USD $)
1 Months Ended 4 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 3 Months Ended 12 Months Ended
Nov. 30, 2013
Apr. 30, 2013
Apr. 30, 2012
Apr. 30, 2014
Apr. 30, 2013
Dec. 31, 2012
Jul. 31, 2014
Feb. 28, 2013
Sep. 30, 2012
Aug. 31, 2012
Apr. 30, 2014
Common Stock [Member]
Dec. 31, 2012
Common Stock [Member]
Feb. 28, 2013
Warrant [Member]
Dec. 30, 2012
Warrant [Member]
Oct. 31, 2012
Warrant [Member]
Apr. 30, 2014
Warrant [Member]
Jun. 30, 2013
Firm One [Member]
Oct. 31, 2012
Firm One [Member]
Oct. 31, 2012
Firm One [Member]
Common Stock [Member]
Jul. 31, 2013
Firm Two [Member]
Oct. 31, 2012
Firm Two [Member]
Oct. 31, 2012
Firm Two [Member]
Common Stock [Member]
Oct. 31, 2012
Firm Two [Member]
Warrant [Member]
Apr. 30, 2014
New York, New York [Member]
Apr. 30, 2014
Dieppe, NB, Canada [Member]
Jan. 31, 2009
Denver, Colorado [Member]
Sep. 30, 2008
Denver, Colorado [Member]
Feb. 28, 2013
Scottsdale, Arizona [Member]
Oct. 31, 2012
Scottsdale, Arizona [Member]
Jul. 31, 2014
Line of Credit [Member]
Apr. 30, 2014
Line of Credit [Member]
Apr. 30, 2013
Line of Credit [Member]
Jan. 31, 2014
Letter of Credit [Member]
Line of Credit Facility [Line Items]                                                                  
Line of credit, maximum borrowing capacity                                                           $ 250,000 $ 250,000    
LIBOR spread                                                           0.50% 0.50%    
Line of credit, interest rate at period end                                                           3.75% 3.75%    
Payment period                                                           5 years 5 years    
Line of credit, outstanding   250,000   244,175 250,000   244,028                                             244,028 244,175 250,000 1,696,445
Line of credit, remaining available                                                           5,972 5,825    848,225
Operating Leased Assets [Line Items]                                                                  
Monthly rent payments                                               3,816 1,675 6,526              
Lease term                                                     7 years   3 years        
Monthly rent annual escalation rate                                                   2.50%              
Monthly rent payments for months four through twelve                                                       4,491          
Monthly rent payments for second year                                                       12,601          
Monthly rent payments for third year                                                       4,710          
Rent expense   64,724 44,828 210,977   140,783                                                      
Annual performance bonus, minimum   50.00%     50.00%                                                        
Annual performance bonus, maximum   100.00%     100.00%                                                        
Accrued bonuses                                                                    
Consulting Agreement Investor Relations Firm [Line Items]                                                                  
Periodic payment                                   50,000     5,000                        
Frequency of periodic payment                                   Annually     Monthly                        
Term of agreement                                   2 years   6 months 1 year                        
Issuance of common shares for services       216,000   70,000         617 200         111,000   70,000 105,000                          
Issuance of common shares for services, shares                     617,143 200,000         317,143   200,000 300,000                          
Issuance of common shares and warrants for services           43,000           100                 43,000   8,000                    
Issuance of common shares and warrants for services, shares                       100,000                   100,000 100,000                    
Exercise price of warrants   $ 0.50   $ 0.50 $ 0.50       $ 0.3325 $ 1.00     $ 0.50 $ 0.35 $ 0.50 $ 0.3325             $ 0.60                    
Expiration period                         5 years 5 years 5 years               5 years                    
Possible estimated loss due to unauthorized borrowing               2,200,000                                                  
Title IV Funds received as a percentage of revenue         26.00%                                                        
Remittance of Title IV funds to the Department of Education due to students ineligibility to receive the funds $ 102,810