Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Cash flows from operating activities:    
Net loss $ (8,097) $ (64,617)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 43 30
Stock-based compensation 10 2,156
Noncash interest expense 0 1,590
Amortization of intangible asset 25 25
Amortization of debt discounts 0 25,593
Change in fair value of warrant liability (193) 8,127
Change in fair value of derivative liability 171 14,294
Expense for issuance of warrants and common stock for services 296 749
Change in fair value of common stock warrants upon repricing 46 0
Changes in operating assets and liabilities:    
Accounts receivable 28 3
Inventories (653) (478)
Prepaid expenses and other assets (481) (359)
Accounts payable 164 (348)
Accrued liabilities 187 (167)
Accrued interest 0 6,316
Net cash used in operating activities (8,454) (7,086)
Cash flows from investing activities:    
Purchases of property and equipment (31) (70)
Net cash used in investing activities (31) (70)
Cash flows from financing activities:    
Proceeds from issuance of common stock, net of issuance costs 4,664 10,273
Proceeds from the issuance of preferred stock and common stock warrant, net of issuance costs 920 0
Proceeds from issuance of common stock upon warrant exercise 67 0
Proceeds from issuance of promissory notes, net of issuance costs 0 2,002
Proceeds from issuance of convertible notes payable, net of issuance costs 0 1,435
Repayment of convertible notes payable 0 (200)
Taxes paid related to net share settlements of equity awards (87) (499)
Net cash provided by financing activities 5,564 13,011
Effect of exchange rate changes on cash and cash equivalents (13) (2)
Net decrease in cash and cash equivalents (2,934) 5,853
Cash and cash equivalents as of beginning of year 3,218 249
Cash and cash equivalents as of end of year 284 6,102
Supplemental disclosure of cash flow information:    
Cash paid for income taxes 7 8
Noncash Investing and Financing Activities:    
Issuance of warrants in connection with convertible notes payable 0 3,301
Issuance of warrant in connection with settlement agreement with Series E holders 0 1,590
Issuance of common stock warrants in connection with preferred stock offering 243 0
Issuance of warrants in connection in public offering 70 169
Beneficial conversion feature of convertible notes payable 0 665
Fair value of derivative liability in connection with issuance of preferred stock 216 0
Accretion of preferred stock dividend 36 0
Issuance of convertible notes in lieu of employee expense payments 0 50
Conversion of accrued interest to accounts payable 0 2
Conversion of interest to convertible notes payable as principal 0 10
Reclassification of promissory notes to convertible notes payable 0 2,250
Fair value of derivative liability in connection with issuance of notes payable 0 7,886
Conversion of preferred units to common stock upon initial public offering 0 64,735
Conversion of convertible notes and accrued interest to common stock upon initial public offering 0 30,450
Reclassification of derivative liability to equity upon initial public offering 0 43,012
Reclassification of warrant liability to equity upon initial public offering 0 192
Reclassification of warrant from liability to equity 0 9,118
Issuance of warrants in connection in public offering $ 70 $ 169