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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net earnings (loss) | $ 9,342 | $ 8,461
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities: |  |
Depreciation and amortization | 4,683 | 4,734
Provision for excess and obsolete inventory | 544 | 771
Foreign exchange (gain) loss | (9) | 109
Amortization of deferred compensation related to stock-based awards | 2,047 | 1,787
Discount on shares sold under Employee Stock Purchase Plan | (31) | (36)
Proceeds from sale of demonstration equipment, net of gain | 167 | 68
Loss on disposal of property and equipment | 11 | 0
Deferred income tax benefit | (1,157) | (1,659)
Adjustment to contingent consideration liability | (294) | 0
Changes in assets and liabilities: |  |
Trade accounts receivable | 2,991 | (4,886)
Inventories | 2,027 | (10,631)
Prepaid expenses and other current assets | (535) | (243)
Other assets | (686) | (2)
Operating lease liabilities | (1,712) | (1,363)
Accounts payable | (1,811) | 2,875
Accrued wages and benefits | 231 | (118)
Accrued professional fees | 339 | (157)
Customer deposits and deferred revenue | (759) | (1,464)
Accrued sales commission | (421) | 621
Domestic and foreign income taxes payable | (371) | (573)
Other current liabilities | 231 | 184
Deferred revenue, net of current portion | 1,331 | 0
Other liabilities | (17) | 61
Net cash provided by (used in) operating activities | 16,203 | (1,389)
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Payment of contingent consideration related to Z-Sciences acquisition | 0 | (179)
Refund of final working capital adjustment related to Acculogic | 0 | 371
Purchase of property and equipment | (1,291) | (1,365)
Purchase of short term investments | 0 | (3,494)
Sales of short term investments | 0 | 3,494
Net cash used in investing activities | (1,291) | (1,173)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Net proceeds from public offering of common stock | 19,244 | 0
Proceeds from stock options exercised | 978 | 38
Proceeds from shares sold under Employee Stock Purchase Plan | 174 | 197
Settlement of employee tax liabilities in connection with treasury stock transaction | (687) | (10)
Net cash provided by (used in) financing activities | 15,609 | (3,733)
Effects of exchange rates on cash | 163 | (324)
Net cash provided by (used in) all activities | 30,684 | (6,619)
Cash, cash equivalents and restricted cash at beginning of period | 14,576 | 21,195
Cash, cash equivalents and restricted cash at end of period | 45,260 | 14,576
Cash payments for: |  |
Domestic and foreign income taxes | 3,240 | 3,924
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES: |  |
Stock Issued | 1,601 | 1,138
Forfeiture of unvested shares of restricted stock | (176) | (54)
Term Note [Member] |  |
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Repayments of Term Note | $ (4,100) | $ (3,958)

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