CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income	$ 3,623	$ 2,261
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation expense	484	473
Depreciation and amortization	866	962
Deferred income tax provision	(122)	238
Gain on the sale of fixed assets	0	(5)
Foreign currency transaction (gains) losses	11	(12)
Changes in operating assets and liabilities:
Accounts receivable	(740)	(3,313)
Inventories	1,539	1,852
Prepaid income taxes	(22)	(695)
Other current and long term assets	(435)	(6)
Accounts payable	(1,943)	2,899
Accrued liabilities and other liabilities	355	(1,419)
Net cash provided by operating activities	3,616	3,235
Cash flows from investing activities:
Capital expenditures	(590)	(454)
Proceeds from sale of fixed assets	0	8
Net cash used in investing activities	(590)	(446)
Cash flows from financing activities:
Payment of dividends on common stock	(1,911)	(1,827)
Purchases of common stock for treasury	(358)	(3,242)
Proceeds from stock option exercises	294	23
Incremental tax benefits on stock options exercised	(23)	0
Net cash used in financing activities	(1,998)	(5,046)
Effect of exchange rate changes on cash and cash equivalents	(6)	(17)
Decrease in cash and cash equivalents	1,022	(2,274)
Cash and cash equivalents, beginning of period	2,503	4,473
Cash and cash equivalents, end of period	3,525	2,199
Supplemental schedule of non-cash investing activities:
Capital expenditures funded by accounts payable	$ 168	$ 175