Annual report pursuant to Section 13 and 15(d)

Statements of Cash Flows

v3.19.1
Statements of Cash Flows - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Cash flows from operating activities:    
Net loss $ (12,468) $ (25,060)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 53 41
Stock-based compensation expense 1,816 1,662
(Accretion)/amortization of investment discount/premium (111) 124
Amortization of debt discount 428 400
Change in fair value of warrant liabilities (11,866) (2,729)
Changes in deferred rent (4) (25)
Deferred offering write-off 230 0
Changes in operating assets and liabilities:    
Prepaid expenses, other assets, and deferred costs (6,367) (790)
Accounts payable and accrued expenses 223 2,078
Deferred revenue (257) (257)
Net cash used in operating activities (28,323) (24,556)
Cash flows from investing activities:    
Maturities of investments 84,874 68,819
Purchases of property and equipment (565) (2)
Purchase of investments (85,112) (78,437)
Net cash used in investing activities (803) (9,620)
Cash flows from financing activities:    
Proceeds from common stock issued 31,657 10,287
Payments of offering costs and underwriting discounts and commissions (2,272) (333)
Proceeds from employee stock purchase plan issuances 39 35
Net cash provided by financing activities 29,424 9,989
Net increase (decrease) in cash, cash equivalents, and restricted cash 298 (24,187)
Cash, cash equivalents, and restricted cash at beginning of period 11,469 35,656
Cash, cash equivalents, and restricted cash at end of period 11,767 11,469
Supplemental cash flow information:    
Cash paid for interest 1,618 1,455
Cash received for interest 986 513
Noncash financing and investing activities:    
Deferred offering costs reclassified to additional paid-in capital $ 84 $ 31