Annual report pursuant to Section 13 and 15(d)

Secured Note and Accounts Receivable - Related Parties (Details)

v3.5.0.2
Secured Note and Accounts Receivable - Related Parties (Details) - USD ($)
 1 Months Ended 12 Months Ended
Apr. 29, 2015
Dec. 31, 2008
Mar. 31, 2008
Apr. 30, 2016
Apr. 30, 2015
Apr. 30, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 13, 2012
Mar. 08, 2012
Sep. 16, 2011
Related Party Transaction [Line Items]                      
Price per share $ 0.155         $ 0.19          
Accounts receivable, secured - related party, net of allowance       $ 45,329 $ 45,329            
Allowance for doubtful accounts, noncurrent accounts receivables $ 625,963     625,963 625,963 $ 625,963          
Proceeds from issuance of common shares and warrants, net 101,502     5,547,826            
Accounts receivable, before allowance $ 671,291     671,291 $ 671,291            
Parent Company [Member]                      
Related Party Transaction [Line Items]                      
Courseware sales   $ 600,000 $ 455,000                
Series C Preferred Shares pledged by HEMG                     772,793
Series C Preferred Shares pledged by HEMG, converted to common shares                 654,850    
Accounts receivable, secured - related party, net of allowance       $ 45,329              
Receivable Collateral Valuation Reserve           $ 123,647          
Due amount HEMG has failed to pay despite due demand             $ 772,793        
Common stock, shares to be sold       654,850              
CEO [Member]                      
Related Party Transaction [Line Items]                      
Price per share               $ 0.19   $ 1.00