CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash Flows From Operating Activities:
Net income	$ 22,533	$ 10,944
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	13,317	11,682
Deferred income taxes	(7,440)	(931)
Stock-based compensation expense	3,100	2,640
Debt issue cost amortization recorded in interest expense	106	109
Other	1,235	360
Changes in operating assets and liabilities, net of acquisition:
Trade receivables	(9,586)	(2,136)
Inventories	(11,747)	(4,575)
Prepaid expenses and other assets	(675)	(725)
Accounts payable	8,168	492
Accrued liabilities	909	(2,840)
Net cash provided by operating activities	19,920	15,020
Cash Flows From Investing Activities:
Purchase of property and equipment	(9,761)	(6,560)
Consideration paid for acquisitions, net of cash acquired		(14,728)
Net cash used in investing activities	(9,761)	(21,288)
Cash Flows From Financing Activities:
Borrowings on long-term debt	819	26,979
Principal payments of long-term debt	(11,417)	(12,299)
Payment of debt issuance costs		(401)
Dividends paid to stockholders	(1,007)	(875)
Tax withholdings related to net share settlements of restricted stock	(1,700)	(814)
Net cash (used in) provided by financing activities	(13,305)	12,590
Effect of foreign exchange rate changes on cash	(776)	489
Net (decrease) increase in cash and cash equivalents	(3,922)	6,811
Cash and cash equivalents at beginning of period	23,131	13,416
Cash and cash equivalents at end of period	19,209	20,227
Supplemental disclosure of cash flow information:
Property, plant and equipment purchases in accounts payable or accrued expenses	$ 630	$ 398