Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details Narrative)

v3.19.2
Subsequent Events (Details Narrative) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
May 24, 2019
May 20, 2019
Jun. 11, 2019
Apr. 30, 2019
Apr. 30, 2018
Apr. 30, 2019
Apr. 30, 2018
Jul. 31, 2018
Common stock, shares authorized       16,000,000   16,000,000   16,000,000
Common stock, shares outstanding       7,111,258   7,111,258   5,351,162
Warrant to purchase common stock       892,890   892,890    
Proceeds from sale of common stock and warrants           $ 23,390 $ 35,809  
Consultants [Member]                
Number of common shares issued for services       15,300 32,357 48,000 79,859  
Subsequent Event [Member]                
Reverse stock split   one-for-ten reverse stock split            
Common stock, shares authorized   16,000,000            
Common stock, reduced shares outstanding   71,216,082            
Common stock, shares outstanding   7,121,594            
Subsequent Event [Member] | Consultants [Member]                
Number of common stock issued related to vested RSU's     6,541          
Number of common shares issued for services     8,200          
Subsequent Event [Member] | Warrants [Member]                
Number of stock sold 3,492,063              
Warrant to purchase common stock 2,619,047              
Purchase price of common stock and warrant $ 3.15              
Warrant exercisable, price per shares $ 3.45              
Warrant exercisable date May 24, 2019              
Warrant expiry date May 24, 2024              
Gross proceeds from offering $ 11,000,000              
Proceeds from sale of common stock and warrants $ 10,100,000              
Percentage of cash fee equal to gross proceeds of offering 6.50%              
Legal and other expenses $ 90,000              
Option to purchase shares 523,809              
Subsequent Event [Member] | Option Warrants [Member]                
Warrant to purchase common stock 392,857              
Subsequent Event [Member] | Option Warrants [Member] | Underwriters [Member]                
Warrant to purchase common stock 178,571              
Warrant exercisable, price per shares $ 3.45              
Warrant exercisable date May 24, 2019              
Warrant expiry date May 24, 2024              
Option to purchase shares 238,095              
Warrant exercise price $ 0.01              
Underwriting discounts $ 2,381