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v3.21.1

Unaudited Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Cash flows from operating activities: |  |
Net loss | $ (6,209) | $ (5,563)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 187 | 126
Amortization of debt discount and debt issuance costs | 73 | 65
Non-cash interest expense | 132 | 131
Deferred income taxes | 0 | (117)
Stock-based compensation | 912 | 431
Changes in assets and liabilities: |  |
Accounts receivable, net | 689 | (128)
Prepaid expenses and other current assets | 1,061 | 367
Other assets | (48) | (14)
Accounts payable | (792) | 1,054
Accrued and other current liabilities | (317) | 347
Net cash used in operating activities | (4,312) | (3,301)
Cash flows from investing activities: |  |
Purchases of property and equipment | (167) | (84)
Net cash used in investing activities | (167) | (84)
Cash flows from financing activities: |  |
Proceeds from exercise of stock options | 44 | 10
Proceeds from common stock issued under Employee Stock Purchase Pan | 175 | 0
Principal payment on capital lease obligations | (96) | (61)
Proceeds from the issuance of common stock in public offering, gross | 69,144 | 0
Payment of issuance costs related to public offering | (4,186) | 0
Net cash provided by (used in) financing activities | 65,081 | (51)
Net change in cash, cash equivalents and restricted cash | 60,602 | (3,436)
Cash, cash equivalents and restricted cash, beginning of period | 57,548 | 72,184
Cash, cash equivalents and restricted cash, end of period | 118,150 | 68,748
Supplemental disclosure of cash flow information: |  |
Cash paid for interest expense | 439 | 432
Supplemental disclosure of non-cash items: |  |
Equipment purchased under capital lease obligations | 384 | 2
Costs incurred, but not paid, in connection with capital expenditures | 44 | 37
Issuance costs included in accounts payable and accrued liabilities | 221 | 0
Deferred offering costs reclassified to equity | $ 28 | $ 0

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