Annual report pursuant to Section 13 and 15(d)

Consolidated Statement of Stockholders' Equity and Statement of Stockholders' Equity

v3.8.0.1
Consolidated Statement of Stockholders' Equity and Statement of Stockholders' Equity - USD ($)
Common Stock [Member]
Additional Paid-In Capital [Member]
Warrants [Member]
Accumulated Other Comprehensive Income(Loss)
Accumulated Deficit [Member]
Total
Balance at Jul. 31, 2015 $ 1,482 $ 71,596,179 $ 7,704,103 $ (46,606,143) $ 32,695,621
Balance, shares at Jul. 31, 2015 14,820,854 [1] 1,895,102 [1]  
Exercise of common stock warrants $ 40 $ 9,960 $ (6,000) $ 4,000
Exercise of common stock warrants, shares 400,000 [1] (600,000)  
Common stock issued for services $ 1 $ 55,386 $ 55,387
Common stock issued for services, shares 7,500  
Public offering on November 9, 2015, net of issuance costs of $613,915 $ 214 $ 5,047,405 $ 1,838,476 $ 6,886,095
Public offering on November 9, 2015, net of issuance costs of $613,915, shares 2,142,860 1,178,573  
Public offering on May 26, 2016, net of issuance costs of $767,700 $ 67 $ 4,468,484 $ 4,715,304 $ 9,183,855
Public offering on May 26, 2016, net of issuance costs of $767,700, Shares 665,049 10,629,717  
Cancellation of expired warrants $ 963,356 $ (963,356)
Cancellation of expired warrants, shares (244,106)  
Stock-based compensation expense $ 6,116,660 $ 6,116,660
Exercise of common stock options, shares [2]          
Net loss and comprehensive loss   (26,888,514) $ (26,888,514)
Balance at Jul. 31, 2016 $ 1,804 $ 88,257,430 $ 13,288,527 $ (73,494,657) 28,053,104
Balance, shares at Jul. 31, 2016 18,036,263 12,859,286 [1]    
Exercise of common stock warrants $ 354 $ 68,537 $ (33,446) 35,445
Exercise of common stock warrants, shares 3,544,593   (3,344,593)      
Cancellation of expired warrants   1,479,274 $ (1,479,274)      
Cancellation of expired warrants, shares     (469,953)      
Stock-based compensation expense 4,016,790 4,016,790
Exercise of common stock options
Exercise of common stock options, shares 918       (7,500)
Common stock issued for employee stock purchase plan $ 4 44,057 $ 44,061
Common stock issued for employee stock purchase plan, shares 36,420        
Net loss and comprehensive loss       (3,620) (21,449,798) (21,453,418)
Balance at Jul. 31, 2017 $ 2,162 $ 93,866,088 $ 11,775,807 $ (3,620) $ (94,944,455) $ 10,695,982
Balance, shares at Jul. 31, 2017 21,618,194   9,044,740      
[1] See Note 1, "Reverse Stock Split"
[2] Recast to reflect the 1-for-20 reverse stock split effected May 2015