CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash Flows From Operating Activities:
Net income	$ 2,657	$ 2,355
Adjustments to reconcile net income to net cash provided by (used in) operating activities (net of working capital acquired in 2016):
Depreciation and amortization	2,450	2,270
Deferred income taxes	(48)	96
Stock compensation expense	466	513
Debt issue cost amortization recorded in interest expense	37
Other	248	(217)
Changes in operating assets and liabilities:
Trade receivables	(4,768)	(6,423)
Inventories	221	(16)
Prepaid expenses and other assets	150	(484)
Accounts payable	1,302	(748)
Accrued liabilities	(383)	(4,261)
Net cash provided by (used in) operating activities	2,332	(6,915)
Cash Flows From Investing Activities:
Consideration paid for acquisition, net of cash acquired ($2,329)		(17,000)
Purchase of property and equipment	(1,288)	(984)
Net cash used in investing activities	(1,288)	(17,984)
Cash Flows From Financing Activities:
Borrowings on lines-of-credit, net		10,859
Principal payments of long-term debt	(3,000)	(1,875)
Dividends paid to stockholders	(228)	(224)
Stock transactions under employee benefit stock plans	628	811
Net cash (used in) provided by financing activities	(2,600)	9,571
Effect of foreign exchange rate changes on cash	121	366
Net decrease in cash and cash equivalents	(1,435)	(14,962)
Cash and cash equivalents at beginning of period	15,483	21,278
Cash and cash equivalents at end of period	$ 14,048	$ 6,316