Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

v3.19.2
CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
Jul. 31, 2019
Apr. 30, 2019
Assets    
Allowance for doubtful accounts, current accounts receivables $ 1,484,559 $ 1,247,031
Allowance for doubtful accounts, noncurrent accounts receivables 625,963 625,963
Discount senior secured loan payable $ 287,626 $ 353,328
Stockholders' Equity:    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 1,000,000 1,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 40,000,000 40,000,000
Common stock, shares issued 18,913,527 18,665,551
Common stock, shares outstanding 18,896,443 18,648,884
Treasury stock, shares 16,667 16,667