Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Cash Flows

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Condensed Statements of Cash Flows - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Operating activities    
Net loss $ (14,280) $ (13,840)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 18 11
Stock-based compensation expense 3,118 1,130
Accretion and amortization of marketable securities 4 133
Non-cash interest associated with debt discount accretion 232 229
Change in fair value of warrant liability 3,198 39
Changes in assets and liabilities:    
Other current assets 4 167
Prepaid expenses 243 (421)
Other assets (50) 520
Accounts payable 202 264
Accrued liabilities (772) (442)
Accrued interest payable (11)  
Net cash used in operating activities (8,094) (12,210)
Investing activities    
Purchases of property and equipment   (37)
Purchases of marketable securities (9,822) (17,704)
Proceeds from maturities of marketable securities 9,100 34,656
Net cash (used in) provided by investing activities (722) 16,915
Financing activities    
Proceeds from issuance of common stock, net of issuance costs 9,364  
Repayment of facility loan principal (1,534)  
Net cash provided by financing activities 7,830  
Net (decrease) increase in cash and cash equivalents (986) 4,705
Cash and cash equivalents at beginning of period 10,495 7,706
Cash and cash equivalents at end of period $ 9,509 $ 12,411