CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net income	$ 932	$ 1,890
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation expense	386	337
Depreciation and amortization	488	480
Deferred income taxes	(70)	24
Foreign currency transaction gains	90	87
Changes in operating assets and liabilities:
Accounts receivable	1,678	678
Inventories	(1,402)	(2,513)
Prepaid income taxes	87	228
Other current and long term assets	(328)	94
Accounts payable	296	1,395
Accrued liabilities and other liabilities	(566)	(188)
Net cash provided by operating activities	1,591	2,512
Cash flows from investing activities:
Capital expenditures	(422)	(735)
Additions to capitalized software	(4)	(16)
Net cash used in investing activities	(426)	(751)
Cash flows from financing activities:
Payment of dividends on common stock	(1,339)	(1,336)
Purchases of common stock for treasury	0	(2,000)
Proceeds from stock option exercises	0	108
Withholding taxes paid on stock issuances	(214)	(265)
Net cash used in financing activities	(1,553)	(3,493)
Effect of exchange rate changes on cash and cash equivalents	(6)	(19)
Decrease in cash and cash equivalents	(394)	(1,751)
Cash and cash equivalents, beginning of period	4,691	5,507
Cash and cash equivalents, end of period	4,297	3,756
Supplemental schedule of non-cash investing activities:
Capital expenditures included in accounts payable	$ 135	$ 13