CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Consolidated net income (loss)	$ (2,890)	$ 409
Adjustments to reconcile consolidated net income (loss) to net cash provided by operating activities:
Depreciation and amortization	873	697
Stock-based compensation	537	278
Deferred income taxes	44	(45)
Pension cost	11	142
Loss on lease termination	125	0
Changes in operating assets and liabilities:
Accounts receivable	487	(448)
Prepaid expenses and other current assets	(63)	223
Other assets	144	52
Accounts payable and accrued expenses	(533)	956
Accrued salaries, wages and related benefits	(407)	(789)
Income and other taxes	176	(718)
Net cash provided by (used in) operating activities	(1,496)	757
Cash flows from investing activities:
Capital expenditures	(1,939)	(503)
Net cash used in investing activities	(1,939)	(503)
Cash flows from financing activities:
Proceeds from exercise of stock options	26	609
Withholding taxes on net settlement of stock-based compensation	0	(764)
Redemption of non-controlling interest	1	0
Payment of long-term obligations	(39)	(268)
Net cash used in financing activities	(12)	(423)
Effect of exchange rate changes on cash and cash equivalents	(28)	(108)
Net increase (decrease) in cash and cash equivalents	(3,475)	(277)
Cash and cash equivalents, beginning of period	18,902	17,573
Cash and cash equivalents, end of period	15,427	17,296
Supplemental disclosures of cash flow information:
Cash paid for income taxes	308	571
Non cash redemption of non-controlling interest	(2,864)	0
Cash paid for operating leases	493	437
Cash paid for interest	$ 4	$ 11

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