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v3.20.2

Unaudited Statements of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019
Cash flows from operating activities: |  |
Net loss | $ (8,926) | $ (5,489)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 253 | 363
Amortization of debt discount and debt issuance costs | 132 | 393
Non-cash interest expense | 263 | 320
Revaluation of warrant liabilities | 0 | (467)
Deferred income taxes | (117) | 0
Loss on disposal of assets | 0 | 217
Stock-based compensation | 1,078 | 23
Changes in assets and liabilities: |  |
Accounts receivable, net | (1,548) | (782)
Prepaid expenses and other current assets | 951 | 234
Other assets | (1) | 23
Accounts payable | (42) | (173)
Accrued and other liabilities | (100) | 1,220
Net cash used in operating activities | (8,057) | (4,118)
Cash flows from investing activities: |  |
Purchases of property and equipment | (237) | (375)
Proceeds from sale of property and equipment | 0 | 300
Net cash used in investing activities | (237) | (75)
Cash flows from financing activities: |  |
Proceeds from exercise of stock options | 12 | 0
Proceeds from exercise of common stock warrants | 18 | 0
Principal payment on capital lease obligations | (120) | (57)
Proceeds from Paycheck Protection Program loan | 2,865 | 0
Repayment of Paycheck Protection Program loan | (2,865) | 0
Payments of deferred offering costs | 0 | (419)
Net cash (used in) provided by financing activities | (90) | 7,266
Net change in cash, cash equivalents and restricted cash | (8,384) | 3,073
Cash, cash equivalents and restricted cash, beginning of period | 72,184 | 13,264
Cash, cash equivalents and restricted cash, end of period | 63,800 | 16,337
Supplemental disclosure of cash flow information: |  |
Cash paid for interest expense | 875 | 1,095
Supplemental disclosure of non-cash items: |  |
Accretion to redemption value of redeemable convertible preferred stock | 0 | 4,302
Equipment purchased under capital lease obligations | 2 | 300
Costs incurred, but not paid, in connection with capital expenditures | 4 | 5
Issuance costs included in accounts payable and accrued liabilities | 0 | 475
Series G redeemable convertible preferred stock |  |
Cash flows from financing activities: |  |
Proceeds from issuance of Series G redeemable convertible preferred stock, net of issuance costs | $ 0 | $ 7,742

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