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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
OPERATING ACTIVITIES:
Net income	$ 679	$ 1,074
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation	730	579
Amortization of intangible assets	154	149
Amortization of financing fees	26	12
Stock-based compensation	184	230
Deferred income taxes	168	242
Proceeds from litigation settlement	1,593	0
Changes in operating assets and liabilities:
Accounts receivable	1,952	(5,764)
Inventories	367	596
Prepaid expenses and other assets	225	604
Accounts payable and other liabilities	(2,175)	1,913
Net cash provided by (used in) operating activities	3,903	(365)
INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(489)	(565)
Proceeds from sale of equipment	0	120
Net cash used in investing activities	(489)	(445)
FINANCING ACTIVITIES:
Payment of credit facilities	(393)	(343)
Proceeds from exercise of stock options	31	29
Tax withholdings on stock-based awards	(58)	(8)
Net cash used in financing activities	(420)	(322)
Effect of exchange rate changes on cash	15	(164)
INCREASE (DECREASE) IN CASH	3,009	(1,296)
Cash, Beginning of period	10,653	7,405
Cash, End of period	$ 13,662	$ 6,109

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