v3.22.4
Consolidated Statements of Stockholders' Equity - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Warrant [Member]
AOCI Attributable to Parent [Member]
Retained Earnings [Member]
Total
Beginning balance, value at Jul. 31, 2020 $ 105 $ 214,792,008 $ 5,708,127 $ (19,504) $ (206,610,300) $ 13,870,436
Beginning balance, shares at Jul. 31, 2020 1,047,931   141,559      
Common stock issued for employee stock purchase plan 9,973 9,973
Common stock issued for employee stock purchase plan, shares 173          
Exercise of common stock warrants $ 6 6,580,239 $ (1,787,294) 4,792,951
Exercise of common stock warrants, shares 63,148   (63,148)      
Exercise of common stock options $ 2 636,991 636,993
Exercise of common stock options, shares 17,153          
Stock-based compensation expense $ 1 5,137,067 5,137,068
Stock-based compensation expense, shares 8,115          
Tax withholdings paid on equity awards (238,976) (238,976)
Tax shares sold to pay for tax withholdings on equity awards 220,490 220,490
Cancellation of expired warrants 329,099 $ (329,099)
Cancellation of expired warrants, shares     (857)      
August 2020 Registered Direct Offering, net of $1,464,276 issuance costs $ 21 13,513,617 13,513,638
August 2020 Registered Direct Offering, net of $1,464,276 issuance costs, shares 209,481          
January 2021 Public Offering, net of $2,970,165 issuance costs $ 35 39,056,298 39,056,333
January 2021 Public Offering, net of $2,970,165 issuance costs, shares 350,513          
Purchase of shares under CGP and Sirtex stock purchase agreements $ 8 5,836,723 5,836,731
Purchase of shares under CGP and Sirtex stock purchase agreements, shares 76,900          
Common stock issued for services 467,500 467,500
Stock-based compensation expense, shares 6,250          
Other comprehensive income/(loss) (59,605) (59,605)
Net loss (45,167,731) (45,167,731)
Ending balance, value at Jul. 31, 2021 $ 178 286,341,029 $ 3,591,734 (79,109) (251,778,031) 38,075,801
Ending balance, shares at Jul. 31, 2021 1,779,664   77,554      
Stock-based compensation expense 599,907 599,907
Stock-based compensation expense, shares 1,704        
Tax withholdings paid on equity awards (28,119) (28,119)
Tax shares sold to pay for tax withholdings on equity awards 27,623 27,623
Common stock issued for services 42,500 42,500
Stock-based compensation expense, shares 568        
Other comprehensive income/(loss) (130,393) (130,393)
Net loss (9,808,625) (9,808,625)
Ending balance, value at Oct. 31, 2021 $ 178 286,982,940 $ 3,591,734 (209,502) (261,586,656) 28,778,694
Ending balance, shares at Oct. 31, 2021 1,781,936   77,554      
Beginning balance, value at Jul. 31, 2021 $ 178 286,341,029 $ 3,591,734 (79,109) (251,778,031) 38,075,801
Beginning balance, shares at Jul. 31, 2021 1,779,664   77,554      
Common stock issued for employee stock purchase plan 2,100 2,100
Common stock issued for employee stock purchase plan, shares 136          
Exercise of common stock options $ 1 202,799 202,800
Exercise of common stock options, shares 5,909          
Stock-based compensation expense 1,649,686 1,649,686
Stock-based compensation expense, shares 3,774          
Tax withholdings paid on equity awards (47,515) (47,515)
Tax shares sold to pay for tax withholdings on equity awards 46,346 46,346
Purchase of shares under CGP and Sirtex stock purchase agreements          
Common stock issued for services 42,500 42,500
Stock-based compensation expense, shares 568          
Other comprehensive income/(loss) 326,320 326,320
Net loss (34,179,634) (34,179,634)
Ending balance, value at Jul. 31, 2022 $ 179 288,236,945 $ 3,591,734 247,211 (285,957,665) 6,118,404
Ending balance, shares at Jul. 31, 2022 1,790,051   77,554      
Stock-based compensation expense 307,030 307,030
Stock-based compensation expense, shares 690        
Tax withholdings paid on equity awards (2,646) (2,646)
Tax shares sold to pay for tax withholdings on equity awards 2,466 2,466
Cancellation of expired warrants 223,225 $ (223,225)
Cancellation of expired warrants, shares     (1,657)      
Other comprehensive income/(loss) 651,695 651,695
Net loss (8,061,398) (8,061,398)
Ending balance, value at Oct. 31, 2022 $ 179 $ 288,767,020 $ 3,368,509 $ 898,906 $ (294,019,063) $ (984,449)
Ending balance, shares at Oct. 31, 2022 1,790,741   75,897