CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash Flows From Operating Activities:
Net income	$ 6,931	$ 8,915
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	7,627	7,327
Deferred income taxes	(841)	(491)
Stock based compensation expense	1,720	1,540
Debt issue cost amortization recorded in interest expense	73	87
Other	885	(166)
Changes in operating assets and liabilities, net of acquisition:
Trade receivables	(1,178)	(8,692)
Inventories	(5,193)	1,973
Prepaid expenses and other assets	1,472	(289)
Accounts payable	(1,627)	(795)
Accrued liabilities	(3,270)	(557)
Net cash provided by operating activities	6,599	8,852
Cash Flows From Investing Activities:
Purchase of property and equipment	(3,614)	(6,401)
Cash paid for acquisitions, net of cash acquired	(14,728)
Net cash used in investing activities	(18,342)	(6,401)
Cash Flows From Financing Activities:
Borrowings on long term debt	26,979	7,695
Principal payments of long-term debt	(7,937)	(7,000)
Payment of debt issuance costs	(401)
Dividends paid to stockholders	(569)	(605)
Stock transactions under employee benefit stock plans	(797)	(710)
Net cash provided by (used in) financing activities	17,275	(620)
Effect of foreign exchange rate changes on cash	71	(41)
Net increase in cash and cash equivalents	5,603	1,790
Cash and cash equivalents at beginning of period	13,416	8,673
Cash and cash equivalents at end of period	$ 19,019	$ 10,463