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v3.22.1

CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Cash flows from operating activities: |  |
Net loss | $ (38,627) | $ (29,932)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 2,129 | 2,728
Stock-based compensation | 1,085 | 1,087
Loss on disposal of assets | 54 |
Inventory write-downs | 1,594 | 702
Noncash interest expense |  | 166
Accretion of debt discount |  | 328
Deferred income taxes | (35) | 21
Bad debt expense | 867 | 302
Changes in operating assets and liabilities: |  |
Accounts receivable | (7,518) | 5,917
Non-trade receivable | (1,802) | (453)
Inventory | 4,181 | 7,485
Prepaid expenses and other current assets | 1,167 | (1,104)
Other assets | (2,727) | 531
Accounts payable | 617 | 1,494
Accrued expenses | 611 | 1,172
Deferred revenue | 6 | (286)
Income tax payable | 166 | (718)
Net cash used in operating activities | (38,476) | (10,560)
Cash flows from investing activities: |  |
Purchase of property and equipment | (46) | (11)
Net cash used in investing activities | (46) | (11)
Cash flows from financing activities: |  |
Proceeds from issuance of common stock, net of costs | 27,702 | 25,086
Proceeds from PPP Loan |  | 2,289
Repayment of PPP Loan |  | (2,289)
Taxes paid on net issuance of restricted stock award and restricted stock units |  | (6)
Proceeds from exercise of stock options | 5 | 382
Proceeds from ESPP | 55 | 98
Repayment of long-term debt | (148) | (4,146)
Net cash provided by financing activities | 27,614 | 21,414
Net increase (decrease) in cash and cash equivalents | (10,908) | 10,843
Cash and cash equivalents at beginning of the year | 22,141 | 11,298
Cash and cash equivalents at end of the year | 11,233 | 22,141
Supplemental disclosure of cash flow information: |  |
Cash paid for interest |  | 260
Cash paid for income taxes | $ 87 | 76
Non-cash investing and financing activities: |  |
Other assets included in accounts payable |  | 128
Settlement of long-term debt with issuance of common stock |  | $ 6,170

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