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v3.19.3

Condensed Statement of Cash Flows - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2019 | Sep. 30, 2018
Cash flows from operating activities |  |
Net loss | $ (11,589) | $ (14,274)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 1,297 | 1,069
Loss on disposal of property and equipment | 20 | 19
Stock-based compensation | 2,397 | 2,064
Non-cash interest expense | 219 | 286
Compensation expense related to vesting of common stock to GLOBALFOUNDRIES |  | 709
Changes in operating assets and liabilities: |  |
Accounts receivable | 1,954 | (1,876)
Inventory | 779 | 309
Prepaid expenses and other current assets | 466 | 154
Right-of-use assets | 23 |
Accounts payable | 518 | (140)
Accrued liabilities | (1,444) | 4,840
Operating lease liabilities | (72) |
Shipping term reversal |  | (39)
Net cash used in operating activities | (5,455) | (6,879)
Cash flows from investing activities |  |
Purchases of property and equipment | (566) | (1,513)
Net cash used in investing activities | (566) | (1,513)
Cash flows from financing activities |  |
Proceeds from the issuance of common stock, net of offering costs |  | 24,524
Proceeds from debt |  | 1,000
Payments on debt | (4,840) | (1,000)
Payments of debt issuance costs | (80) |
Payments on finance lease obligation | (8) | (8)
Proceeds from exercise of stock options and purchase of shares in employee stock purchase plan | 178 | 2,364
Proceeds from issuance of common stock in at-the-market offering, net of issuance costs | 2,172 |
Net cash (used in) provided by financing activities | (2,578) | 26,880
Net (decrease) increase in cash and cash equivalents | (8,599) | 18,488
Cash and cash equivalents at beginning of period | 23,379 | 12,950
Cash and cash equivalents at end of period | 14,780 | 31,438
Supplementary cash flow information: |  |
Interest paid | 373 | 370
Operating cash flows paid for operating leases | 1,264 |
Financing cash flows paid for finance leases | 8 |
Right-of-use assets obtained in exchange for new operating leases | 23 |
Non-cash investing and financing activities: |  |
Purchases of property and equipment in accounts payable | 33 | 183
Modification of warrant | $ 36 |
Issuance of warrant with debt |  | $ 43

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