Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 2,072	$ 3,703
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,219	2,302
Deferred income taxes	(138)	(152)
Non-cash interest income	35
Stock-based compensation	509	436
Changes in assets and liabilities:
Accounts receivable	(342)	(3,598)
Other current assets	(439)	(147)
Accounts payable	(335)	394
Accrued expenses and accrued income taxes	(220)	1,069
Net cash provided by operating activities	3,361	4,007
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from short-term investments	3,810
Purchases of equipment and leasehold improvements	(896)	(775)
Cost of internally developed software	(225)	(268)
Other assets	(47)	(96)
Net cash provided by / (used in) investing activities	2,642	(1,139)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of stock, net of tax withholding	(33)	(93)
Payments of equipment financing	(312)	(717)
Cash dividends paid	(2,978)	(2,806)
Net cash used in financing activities	(3,323)	(3,616)
Effect of exchange rate changes on cash and cash equivalents	(257)	(1,401)
Net increase (decrease) in cash and cash equivalents	2,423	(2,149)
Cash and cash equivalents, beginning of period	4,069	8,165
Cash and cash equivalents, end of period	6,492	6,016
Supplemental Disclosures of Cash Flow Information:
Cash paid for income taxes	1,958	2,289
Cash paid for interest	47	83
Cash paid for operating leases	841
Right-of-use assets acquired through operating leases	4,382
Purchases of equipment through accounts payable and accrued liabilities	$ 30	$ 65