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	$ 1,890	$ 1,810
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation expense	337	296
Depreciation and amortization	480	602
Deferred income tax provision	24	(56)
Foreign currency transaction (gains) losses	87	9
Changes in operating assets and liabilities:
Accounts receivable	678	3,184
Inventories	(2,513)	189
Prepaid income taxes	228	(209)
Other current and long term assets	94	(299)
Accounts payable	1,395	(1,527)
Accrued liabilities and other liabilities	(188)	(28)
Net cash provided by operating activities	2,512	3,971
Cash flows from investing activities:
Capital expenditures	(735)	(409)
Payments to Acquire Software	(16)	0
Net cash used in investing activities	(751)	(409)
Cash flows from financing activities:
Payment of dividends on common stock	(1,336)	(1,250)
Purchases of common stock for treasury	(2,000)	0
Proceeds from stock option exercises	108	85
Incremental tax benefits on stock options exercised	(265)	(18)
Net cash used in financing activities	(3,493)	(1,183)
Effect of exchange rate changes on cash and cash equivalents	(19)	(5)
Decrease in cash and cash equivalents	(1,751)	2,374
Cash and cash equivalents, beginning of period	5,507	2,503
Cash and cash equivalents, end of period	3,756	4,877
Supplemental schedule of non-cash investing activities:
Capital expenditures funded by accounts payable	$ 13	$ 165