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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Cash flows from operating activities:    
Consolidated net loss $ (2,928) $ (6,721)
Adjustments to reconcile consolidated net loss to net cash provided by operating activities:    
Depreciation and amortization 2,242 1,824
Stock-based compensation 1,981 1,565
Deferred income taxes (142) 167
Pension cost 538 303
Loss on lease termination 0 125
Changes in operating assets and liabilities:    
Accounts receivable 1,270 274
Prepaid expenses and other current assets 634 (148)
Other assets 45 243
Accounts payable, accrued expenses and other (1,856) (1,647)
Accrued salaries, wages and related benefits 658 (35)
Income and withholding taxes [1] 1,741 178
Net cash provided by (used in) operating activities 4,183 (3,872)
Cash flows from investing activities:    
Capital expenditures (3,012) (3,638)
Proceeds from short term investments - other 493 0
Net cash used in investing activities (2,519) (3,638)
Cash flows from financing activities:    
Proceeds from stock option exercises 2,179 180
Payment of long-term obligations (192) (477)
Net cash provided by (used in) financing activities 1,987 (297)
Effect of exchange rate changes on cash and cash equivalents 209 (614)
Net increase (decrease) in cash and cash equivalents 3,860 (8,421)
Cash and cash equivalents, beginning of period 9,792 18,902
Cash and cash equivalents, end of period 13,652 10,481
Supplemental disclosures of cash flow information:    
Vendor financed software licenses acquired 1,162 0
Cash paid for income taxes 380 696
Cash paid for operating leases 799 974
Cash paid for interest $ 132 $ 4
[1] includes withholding tax on stock option exercises of $1.5 million