Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows

v3.10.0.1
Condensed Consolidated Statements of Cash Flows - USD ($)
 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Cash flows from operating activities:    
Net loss $ (36,582,000) $ (18,869,000)
Adjustments to reconcile net loss to cash used in operating activities:    
Depreciation and amortization 969,000 595,000
Stock option compensation expense 7,072,000 3,527,000
Restricted common stock expense issued to directors and employees 516,000 979,000
Net gain on write off of licensed technology 0 (127,000)
Change in operating assets and liabilities:    
Receivables (245,000) 13,000
Prepaid expenses and other current assets 760,000 (1,607,000)
Other assets 40,000 (11,000)
Accounts payable 7,938,000 (1,657,000)
Deferred revenue (2,612,000) (452,000)
Net cash used in operating activities (22,144,000) (17,609,000)
Cash flows from investing activities:    
Capital expenditures (8,580,000) (156,000)
Purchases of marketable securities (94,991,000) 0
Purchases from maturities of marketable securities 16,366,000 0
Net cash used in investing activities (87,205,000) (156,000)
Cash flows from financing activities:    
Proceeds from exercise of stock options 2,245,000 93,000
Net cash provided by financing activities 5,478,000 5,145,000
Net decrease in cash, cash equivalents and restricted cash (103,871,000) (12,620,000)
Cash, cash equivalents and restricted cash at beginning of period 138,030,000 69,142,000
Cash, cash equivalents and restricted cash at end of period 34,159,000 56,522,000
Supplemental disclosures:    
Cash and cash equivalents 33,599,000 56,522,000
Restricted cash 560,000 0
Total cash, cash equivalents and restricted cash 34,159,000 56,522,000
Write off of licensed asset and corresponding liability 0 4,000,000
Cash paid for interest 9,000 7,000
Dollar Five Warrant [Member]    
Cash flows from financing activities:    
Proceeds from exercise of warrants 3,233,000 52,000
Dollar Eight Warrant [Member]    
Cash flows from financing activities:    
Proceeds from exercise of warrants $ 0 $ 5,000,000