CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash Flows From Operating Activities:
Net income	$ 10,379	$ 8,956
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,552	5,382
Deferred income taxes	1,344	993
Stock compensation expense	1,345	1,137
Other	684	2,171
Changes in operating assets and liabilities:
Trade receivables	(4,540)	(11,520)
Inventories, net	(138)	(3,259)
Prepaid expenses and other assets	(1,196)	(138)
Accounts payable	173	4,015
Accrued liabilities	124	115
Net cash provided by operating activities	13,727	7,852
Cash Flows From Investing Activities:
Purchase of property and equipment	(3,693)	(3,153)
Proceeds related to working capital adjustment on acquisition		1,399
Net cash used in investing activities	(3,693)	(1,754)
Cash Flows From Financing Activities:
Borrowings on lines-of-credit, net	422	(2,591)
Principal payments of long-term debt	(4,500)	(3,750)
Dividends paid to stockholders	(690)	(629)
Stock transactions under employee benefit stock plans	223	334
Net cash used in financing activities	(4,545)	(6,636)
Effect of foreign exchange rate changes on cash	(706)	(566)
Net increase (decrease) in cash and cash equivalents	4,783	(1,104)
Cash and cash equivalents at beginning of period	13,113	8,371
Cash and cash equivalents at end of period	$ 17,896	$ 7,267