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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
OPERATING ACTIVITIES:
Net income	$ 898	$ 3,214
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	2,160	1,743
Amortization of intangible assets	458	444
Amortization of financing fees	78	36
Stock-based compensation	512	756
Deferred income taxes	127	821
Changes in operating assets and liabilities:
Accounts receivable	4,814	15,094
Inventories	17	13
Prepaid expenses and other assets	775	(84)
Accounts payable and other liabilities	(1,377)	(546)
Net cash provided by operating activities	8,462	21,491
INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(2,324)	(1,902)
Proceeds from sale of equipment	0	120
Net cash used in investing activities	(2,324)	(1,782)
FINANCING ACTIVITIES:
Payment of credit facilities	(1,186)	(13,461)
Proceeds from exercise of stock options	398	218
Tax withholdings on stock-based awards	(148)	(15)
Net cash used in financing activities	(936)	(13,258)
Effect of exchange rate changes on cash	(2)	(79)
INCREASE IN CASH	5,200	6,372
Cash, Beginning of period	10,653	7,405
Cash, End of period	$ 15,853	$ 13,777

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