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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Cash flows from operating activities:    
Net loss $ (5,936) $ (4,041)
Adjustments to reconcile net loss to net cash used in operating activities:    
Share-based compensation expense 1,155 1,206
Depreciation and amortization 1,332 957
Deferred income tax benefit (2,141) (2,121)
Loss on the disposal of fixed assets 2 9
Foreign currency transaction losses 6 272
Gain on forgiveness of long-term debt 0 (2,173)
Changes in operating assets and liabilities:    
Accounts receivable (6,421) (4,217)
Employee retention credit receivable 0 (1,500)
Inventories (4,378) 3,440
Prepaid income taxes 137 2,210
Other current and long-term assets 167 322
Accounts payable 3,103 2,534
Accrued liabilities and other liabilities 754 592
Net cash used in operating activities (12,220) (2,510)
Cash flows from investing activities:    
Capital expenditures (1,299) (1,384)
Proceeds from the sale of fixed assets 0 8
Collection of note receivable 0 1,598
Net cash (used in) provided by investing activities (1,299) 222
Cash flows from financing activities:    
Proceeds from bank borrowings 2,250 0
Proceeds from stock option exercises 0 436
Proceeds from the issuance of common stock 0 12,214
Payment of common stock issuance costs 0 (1,014)
Withholding taxes paid on stock issuance (119) (133)
Payment of bank financing costs (69) (31)
Net cash provided by financing activities 2,062 11,472
Effect of exchange rate changes on cash and cash equivalents (54) (86)
(Decrease) increase in cash and cash equivalents (11,511) 9,098
Cash and cash equivalents, beginning of period 19,457 10,359
Cash and cash equivalents, end of period 7,946 19,457
Supplemental cash flow information:    
Interest paid 129 76
Income taxes paid 62 57
Non-cash capital expenditure items $ 54 $ 82