CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash Flows From Operating Activities:
Net income	$ 4,884	$ 5,548
Adjustments to reconcile net income to net cash provided by operating activities (net of working capital acquired in 2016):
Depreciation and amortization	4,960	4,850
Deferred income taxes	14	859
Stock compensation expense	954	974
Debt issue cost amortization recorded in interest expense	99
Other	(40)	(314)
Changes in operating assets and liabilities:
Trade receivables	(4,442)	(8,992)
Inventories	529	689
Prepaid expenses and other assets	93	1,389
Accounts payable	(360)	(39)
Accrued liabilities	692	(3,289)
Net cash provided by operating activities	7,383	1,675
Cash Flows From Investing Activities:
Purchase of property and equipment	(2,677)	(2,382)
Consideration paid for acquisition, net of cash acquired ($2,329)		(16,049)
Net cash used in investing activities	(2,677)	(18,431)
Cash Flows From Financing Activities:
Borrowings on lines-of-credit, net		9,534
Principal payments of long-term debt	(6,000)	(3,750)
Dividends paid to stockholders	(473)	(473)
Stock transactions under employee benefit stock plans	355	268
Net cash (used in) provided by financing activities	(6,118)	5,579
Effect of foreign exchange rate changes on cash	662	261
Net decrease in cash and cash equivalents	(750)	(10,916)
Cash and cash equivalents at beginning of period	15,483	21,278
Cash and cash equivalents at end of period	$ 14,733	$ 10,362