CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash Flows From Operating Activities:
Net income	$ 6,101	$ 4,841
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,665	3,481
Deferred income taxes	555	575
Stock compensation expense	926	768
Other	269	1,465
Changes in operating assets and liabilities:
Trade receivables	(5,975)	(4,979)
Inventories, net	(1,514)	(1,488)
Prepaid expenses and other assets	(666)	593
Accounts payable	1,757	1,173
Accrued liabilities	(1,519)	(71)
Net cash provided by operating activities	3,599	6,358
Cash Flows From Investing Activities:
Purchase of property and equipment	(2,708)	(1,571)
Proceeds related to working capital adjustment on acquisition		1,399
Net cash used in investing activities	(2,708)	(172)
Cash Flows From Financing Activities:
Borrowings on lines-of-credit, net	1,398	(2,591)
Principal payments of long-term debt	(3,000)	(2,500)
Dividends paid to stockholders	(465)	(499)
Stock transactions under employee benefit stock plans	223	304
Net cash used in financing activities	(1,844)	(5,286)
Effect of foreign exchange rate changes on cash	(824)	(83)
Net (decrease) increase in cash and cash equivalents	(1,777)	817
Cash and cash equivalents at beginning of period	13,113	10,171
Cash and cash equivalents at end of period	$ 11,336	$ 10,988