Annual report pursuant to Section 13 and 15(d)

Secured Note and Accounts Receivable (Details)

v3.19.2
Secured Note and Accounts Receivable (Details) - USD ($)
1 Months Ended 12 Months Ended
Apr. 29, 2015
Dec. 31, 2008
Mar. 31, 2008
Apr. 30, 2019
Apr. 30, 2018
Apr. 30, 2014
Mar. 13, 2012
Sep. 16, 2011
Related Party Transaction [Line Items]                
Courseware sales       $ 34,025,418 $ 22,021,512      
Price per share $ 1.86              
Accounts receivable, secured - related party, net of allowance $ 45,329     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 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  
Price per share           $ 2.28    
Receivable Collateral Valuation Reserve           $ 123,647