CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash Flows From Operating Activities:
Net income	$ 5,069	$ 6,101
Adjustments to reconcile net income to net cash (used in) provided by operating activities (net of working capital acquired):
Depreciation and amortization	4,850	3,665
Deferred income taxes	859	555
Stock compensation expense	974	926
Other	(314)	272
Changes in operating assets and liabilities:
Trade receivables	(8,992)	(5,975)
Inventories, net	689	(1,514)
Prepaid expenses and other assets	1,389	(666)
Accounts payable	(39)	1,757
Accrued liabilities	(2,810)	(1,519)
Net cash provided by operating activities	1,675	3,602
Cash Flows From Investing Activities:
Consideration paid for acquisition, net of cash acquired ($2,329)	(16,049)
Purchase of property and equipment	(2,382)	(2,708)
Net cash used in investing activities	(18,431)	(2,708)
Cash Flows From Financing Activities:
Borrowings on lines-of-credit, net	9,534	1,398
Principal payments of long-term debt	(3,750)	(3,000)
Dividends paid to stockholders	(473)	(468)
Stock transactions under employee benefit stock plans	268	223
Net cash provided by (used in) by financing activities	5,579	(1,847)
Effect of foreign exchange rate changes on cash	261	(824)
Net decrease in cash and cash equivalents	(10,916)	(1,777)
Cash and cash equivalents at beginning of period	21,278	13,113
Cash and cash equivalents at end of period	$ 10,362	$ 11,336