Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net loss	$ (1,104)	$ (903)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	21	21
Provision for obsolete inventory		57
Provision for bad debts	2
Stock-based compensation	40	77
(Increase) decrease in:
Trade accounts receivable	707	535
Other accounts receivable	50	14
Inventory	(163)	(350)
Prepaid assets	(371)	(72)
Other assets	(35)	(24)
Decrease in:
Accounts payable	(266)	(877)
Accrued expenses	(104)	(189)
Net cash used in operating activities	(1,223)	(1,711)
Cash flows from investing activities:
Purchase of property and equipment		(56)
Net cash used in investing activities		(56)
Effect of exchange rate changes on cash	320	(442)
Net decrease in cash and cash equivalents	(903)	(2,209)
Cash and cash equivalents, beginning of period	2,200	2,647
Cash and cash equivalents, end of period	1,297	438
Cash paid for interest	72	$ 67
Cash paid for income taxes	$ 5