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Annual report pursuant to Section 13 and 15(d)

Secured Note and Accounts Receivable - Related Parties (Details)

v3.7.0.1
Secured Note and Accounts Receivable - Related Parties (Details) - USD ($)
 1 Months Ended 12 Months Ended
Apr. 07, 2017
Apr. 29, 2015
Dec. 31, 2008
Mar. 31, 2008
Apr. 30, 2014
Apr. 30, 2017
Apr. 30, 2016
Sep. 30, 2014
Jun. 30, 2014
Mar. 13, 2012
Sep. 16, 2011
Related Party Transaction [Line Items]                      
Price per share   $ 1.86                  
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        
Proceeds from issuance of common shares and warrants, net $ 6,996,000 101,502                  
Accounts receivable, before allowance   $ 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                   54,571  
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      
CEO [Member]                      
Related Party Transaction [Line Items]                      
Price per share                 $ 0.19