Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 2,428	$ 2,407
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,528	1,381
Deferred income taxes	(105)	87
Stock-based compensation	278	317
Changes in assets and liabilities:
Accounts receivable	(857)	574
Prepaid expenses and other current assets	(253)	(809)
Accounts payable	322	(976)
Accrued expenses	259	449
Net cash provided by operating activities	3,600	3,430
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of equipment and leasehold improvements	(281)	(343)
Cost of internally developed software	(152)	(398)
Other assets	(102)	2
Net cash used in investing activities	(535)	(739)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of stock, net of tax withholding	(92)	(198)
Payments of equipment financing	(478)	(1,776)
Cash dividends paid	(1,812)	(1,640)
Net cash used in financing activities	(2,382)	(3,614)
Effect of exchange rate changes on cash and cash equivalents	(1,127)	(54)
Net decrease in cash and cash equivalents	(444)	(977)
Cash and cash equivalents, beginning of period	8,165	3,938
Cash and cash equivalents, end of period	7,721	2,961
Supplemental Disclosures of Cash Flow Information:
Cash paid for income taxes	1,910	1,891
Cash paid for interest	56	41
Purchases of equipment through accounts payable and accrued liabilities	$ 397	$ 13