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v3.22.4

Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Cash flows from operating activities |  |
Net income | $ 6,129 | $ 4,343
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 982 | 1,455
Gain on sale of property and equipment | (167) |
Stock-based compensation | 4,408 | 3,227
Non-cash warrant revaluation | (23) | 19
Non-cash interest expense | 105 | 319
Changes in operating assets and liabilities: |  |
Accounts receivable | (2,472) | (586)
Inventory | (287) | (675)
Prepaid expenses and other current assets | 158 | (492)
Other assets | (28) | 11
Accounts payable | 563 | (571)
Accrued liabilities | (46) | 1,696
Deferred revenue | (11) | 832
Lease liabilities | 182 | (219)
Net cash provided by operating activities | 9,493 | 9,359
Cash flows from investing activities |  |
Purchases of property and equipment | (2,788) | (1,030)
Proceeds received from sale of property and equipment | 202 |
Net cash used in investing activities | (2,586) | (1,030)
Cash flows from financing activities |  |
Payments on long-term debt | (2,400) | (3,400)
Payments of debt issuance costs | (10) | (11)
Proceeds from exercise of stock options and purchase of shares in employee stock purchase plan | 889 | 1,892
Net cash used in financing activities | (1,521) | (1,519)
Net increase in cash and cash equivalents | 5,386 | 6,810
Cash and cash equivalents at beginning of period | 21,409 | 14,599
Cash and cash equivalents at end of period | 26,795 | 21,409
Supplementary cash flow information: |  |
Interest paid | 169 | 228
Operating cash flows paid for operating leases | 1,320 | 1,603
Financing cash flows paid for finance leases | 11 |
Non-cash investing and financing activities: |  |
Right-of-use assets obtained in exchange for operating lease liabilities | 6,837 |
Right-of-use assets obtained in exchange for finance lease liabilities | 36 |
Purchases of property and equipment in accounts payable and accrued liabilities | $ 807 | 340
Bonus settled in shares of common stock |  | $ 364

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