Annual report pursuant to Section 13 and 15(d)

12. INCOME TAXES (Tables)

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12. INCOME TAXES (Tables)
12 Months Ended
Apr. 30, 2017
Income Tax Disclosure [Abstract]  
Schedule of deferred tax assets
    April 30,  
    2017     2016  
Deferred tax assets:                
Net operating loss carryforwards   $ 13,679,701     $ 14,267,224  
Stock compensation     2,638,261       2,376,826  
Other     82,498       29,682  
Total deferred tax assets     16,400,460       16,673,732  
Total deferred tax liabilities            
Net deferred tax assets     16,400,460       16,673,732  
Valuation allowance     (16,400,460 )     (16,673,732 )
    $     $  
Tax provision schedule
    Years Ended April 30,  
    2017     2016  
Federal benefit at statutory rate   $ (1,510,853 )   $ (2,061,687 )
State income taxes, net of Federal taxes     (259,067 )     (330,173 )
Permanent differences     213,963       711,316  
Provision related to change in valuation allowance     1,701,238       3,547,395  
Stock compensation     (20,393 )     (2,065,695 )
Return to provision           195,211  
Other, net     (124,888 )     3,633  
    $     $