v3.19.3
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Cash flows from operating activities:    
Net loss $ (9,033,000) $ (4,451,000)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation expense 5,000 6,000
Stock-based compensation expense 252,000 225,000
Changes in fair value of warrant liability 94,000
Changes in fair value of derivative liability (211,000)
Accretion of final charge upon maturity of Oxford Term Loan A and B 187,000 161,000
Amortization of issuance cost and discounts for term loans and convertible notes 20,000 258,000
Non-cash interest expense on convertible promissory notes 2,426,000 62,000
Amortization of right-of-use asset 232,000
Changes in operating assets and liabilities:    
Prepaid expenses and other current assets (1,948,000) 13,000
Other assets 57,000
Accounts payable 2,168,000 (570,000)
Accrued liabilities 1,006,000 (142,000)
Lease liability (233,000)
Net cash used in operating activities (4,767,000) (4,649,000)
Cash flows from investing activities:    
Purchases of property and equipment (2,000)
Net cash used in investing activities (2,000)
Cash flows from financing activities:    
Payments on term loan (1,437,000) (890,000)
Proceeds from issuance of convertible promissory notes - related party 4,846,000 3,000,000
Net cash provided by financing activities 3,409,000 2,110,000
Net decrease in cash, cash equivalents and restricted cash (1,358,000) (2,541,000)
Cash, cash equivalents and restricted cash at beginning of period 1,942,000 4,356,000
Cash, cash equivalents and restricted cash at end of period 584,000 1,815,000
Other supplemental disclosure:    
Cash paid for interest 231,000 286,000
Non-cash investing and financing activities:    
Right-of-use assets obtained in exchange for operating lease obligations(1) [1] 227,000
Reclassification of warrant liability to paid in capital 234,000
Conversion of convertible preferred stock into common stock 34,015,000
Debt Conversion, Original Debt, Amount 3,203,000
Cash and cash equivalents 331,000 1,760,000
Restricted cash 253,000 55,000
Cash, cash equivalents and restricted cash at end of period $ 584,000 $ 1,815,000
[1] Amounts for the nine months ended September 30, 2019 pertains to the transition adjustment for the adoption of ASC 842.