CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash Flows From Operating Activities:
Net income	$ 7,589	$ 10,379
Adjustments to reconcile net income to net cash provided by operating activities (net of working capital acquired):
Depreciation and amortization	7,309	5,552
Deferred income taxes	1,345	1,344
Stock compensation expense	1,370	1,345
Other	(455)	684
Changes in operating assets and liabilities:
Trade receivables	(5,739)	(4,540)
Inventories, net	613	(138)
Prepaid expenses and other assets	1,252	(1,196)
Accounts payable	(525)	173
Accrued liabilities	(2,794)	124
Net cash provided by operating activities	9,965	13,727
Cash Flows From Investing Activities:
Consideration paid for acquisition, net of cash acquired ($2,329)	(16,049)
Purchase of property and equipment	(3,694)	(3,693)
Net cash used in investing activities	(19,743)	(3,693)
Cash Flows From Financing Activities:
Borrowings on lines-of-credit, net	6,802	422
Principal payments of long-term debt	(5,625)	(4,500)
Dividends paid to stockholders	(700)	(690)
Stock transactions under employee benefit stock plans	268	223
Net cash provided by (used in) by financing activities	745	(4,545)
Effect of foreign exchange rate changes on cash	297	(706)
Net (decrease) increase in cash and cash equivalents	(8,736)	4,783
Cash and cash equivalents at beginning of period	21,278	13,113
Cash and cash equivalents at end of period	$ 12,542	$ 17,896