CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash Flows From Operating Activities:
Net income	$ 2,127	$ 2,976
Adjustments to reconcile net income to net cash (used in) provided by operating activities (net of working capital acquired):
Depreciation and amortization	2,270	1,807
Deferred income taxes	96	50
Stock compensation expense	513	433
Other	(217)	(198)
Changes in operating assets and liabilities:
Trade receivables	(6,423)	(3,395)
Inventories, net	(16)	(728)
Prepaid expenses and other assets	(484)	(50)
Accounts payable	(520)	1,891
Accrued liabilities	(4,261)	(2,117)
Net cash (used in) provided by operating activities	(6,915)	669
Cash Flows From Investing Activities:
Consideration paid for acquisition, net of cash acquired ($2,329)	(17,000)
Purchase of property and equipment	(984)	(1,436)
Net cash used in investing activities	(17,984)	(1,436)
Cash Flows From Financing Activities:
Borrowings on lines-of-credit, net	10,859	315
Principal payments of long-term debt	(1,875)	(1,500)
Dividends paid to stockholders	(224)	(225)
Stock transactions under employee benefit stock plans	811	1,171
Net cash provided by (used in) by financing activities	9,571	(239)
Effect of foreign exchange rate changes on cash	366	(1,064)
Net decrease in cash and cash equivalents	(14,962)	(2,070)
Cash and cash equivalents at beginning of period	21,278	13,113
Cash and cash equivalents at end of period	$ 6,316	$ 11,043