CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash Flows From Operating Activities:
Net income	$ 4,470	$ 4,198
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	3,659	2,791
Deferred income taxes	(297)	2,822
Stock compensation expense	674	496
Debt issue cost amortization recorded in interest expense	43	37
Other	347	609
Changes in operating assets and liabilities, net of acquisition:
Trade receivables	(10,941)	(8,231)
Inventories	1,291	(3,887)
Prepaid expenses and other assets	(161)	(1,408)
Accounts payable	490	5,479
Accrued liabilities	(2,014)	(1,211)
Net cash (used in) provided by operating activities	(2,439)	1,695
Cash Flows From Investing Activities:
Purchase of property and equipment	(2,505)	(2,222)
Cash paid for acquisitions		(13,312)
Net cash used in investing activities	(2,505)	(15,534)
Cash Flows From Financing Activities:
Borrowings on long term debt	6,568	14,500
Principal payments of long-term debt		(4,350)
Stock transactions under employee benefit stock plans	(63)	849
Net cash provided by financing activities	6,505	10,999
Effect of foreign exchange rate changes on cash	(50)	253
Net increase (decrease) increase in cash and cash equivalents	1,511	(2,587)
Cash and cash equivalents at beginning of period	8,673	15,590
Cash and cash equivalents at end of period	$ 10,184	$ 13,003