Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited)

v3.8.0.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
9 Months Ended
Apr. 30, 2018
Apr. 30, 2017
Operating activities    
Net loss $ (26,697,105) $ (15,551,867)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 273,136 284,319
Loss on disposal of property and equipment 875,098
Warrant inducement expense 2,465,396
Amortization of (discount)/premium on investments (1,052)
Stock-based compensation 5,904,920 3,378,991
Common stock issued for services 1,443,650
Changes in operating assets and liabilities:    
Decrease in prepaid expenses and other current assets (898,296) (315,976)
Decrease in other long-term assets (52,575) (163,542)
Decrease in accounts payable and accrued liabilities (578,007) (579,068)
Increase (decrease) in accrued compensation 245,500 (74,690)
Increase in other long-term liabilities 19,141 309,424
Net cash used in operating activities (17,000,194) (12,712,409)
Investing activities    
Purchases of property and equipment (51,666) (9,578)
Purchase of investment securities (23,234,225)
Net cash used in investing activities (23,285,891) (9,578)
Financing activities    
Proceeds from issuance of common stock through ESPP 35,809
Proceeds from issuance of common stock and warrants 32,283,444 44,057
Payment of financing and offering costs (3,577,214)
Proceeds from exercise of options 226,285
Proceeds from exercise of inducement warrants 9,999,983 30,950
Net cash provided by financing activities 38,968,307 75,007
Effect of exchange rate changes on cash (7,933) 7,094
Net decrease in cash (1,325,711) (12,639,886)
Cash and cash equivalents, at beginning of period 11,444,676 28,746,224
Cash and cash equivalents, at end of period 10,118,965 16,106,338
Supplemental disclosure for cash flow information:    
Income taxes 951 1,391
Noncash investing and financing transaction:    
Noncash expiration of warrants $ 1,200,742 $ 1,479,274