CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net income	$ 4,464	$ 3,623
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation expense	524	484
Depreciation and amortization	739	866
Deferred income taxes	35	(122)
Foreign currency transaction losses	102	11
Changes in operating assets and liabilities:
Accounts receivable	(782)	(740)
Inventories	(4,205)	1,539
Prepaid income taxes	467	(22)
Other current and long term assets	(2)	(435)
Accounts payable	2,496	(1,943)
Accrued liabilities and other liabilities	(341)	355
Net cash provided by operating activities	3,497	3,616
Cash flows from investing activities:
Capital expenditures	(722)	(590)
Additions to capitalized software	(466)	0
Net cash used in investing activities	(1,188)	(590)
Cash flows from financing activities:
Payment of dividends on common stock	(2,001)	(1,911)
Purchases of common stock for treasury	(2,000)	(358)
Proceeds from stock option exercises	229	294
Withholding taxes paid on stock issuances	(265)	(23)
Net cash used in financing activities	(4,037)	(1,998)
Effect of exchange rate changes on cash and cash equivalents	16	(6)
(Decrease) increase in cash and cash equivalents	(1,712)	1,022
Cash and cash equivalents, beginning of period	5,507	2,503
Cash and cash equivalents, end of period	3,795	3,525
Supplemental schedule of non-cash investing activities:
Capital expenditures included in accounts payable	$ 68	$ 168