CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash Flows From Operating Activities:
Net income	$ 16,561	$ 6,931
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	8,890	7,627
Deferred income taxes	(7,316)	(841)
Stock-based compensation expense	1,797	1,720
Debt issue cost amortization recorded in interest expense	71	73
Other	1,028	885
Changes in operating assets and liabilities, net of acquisition:
Trade receivables	(5,381)	(1,178)
Inventories	(5,951)	(5,193)
Prepaid expenses and other assets	814	1,472
Accounts payable	5,651	(1,627)
Accrued liabilities	307	(3,270)
Net cash provided by operating activities	16,471	6,599
Cash Flows From Investing Activities:
Purchase of property and equipment	(5,885)	(3,614)
Consideration paid for acquisitions, net of cash acquired		(14,728)
Net cash used in investing activities	(5,885)	(18,342)
Cash Flows From Financing Activities:
Borrowings on long term debt		26,979
Principal payments of long-term debt	(7,603)	(7,937)
Payment of debt issuance costs		(401)
Dividends paid to stockholders	(662)	(569)
Tax withholdings related to net share settlements of restricted stock	(1,600)	(797)
Net cash (used in) provided by financing activities	(9,865)	17,275
Effect of foreign exchange rate changes on cash	(468)	71
Net increase in cash and cash equivalents	253	5,603
Cash and cash equivalents at beginning of period	23,131	13,416
Cash and cash equivalents at end of period	23,384	19,019
Supplemental disclosure of cash flow information:
Property, plant and equipment purchases in accounts payable or accrued expenses	$ 967	$ 1,169