Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
OPERATING ACTIVITIES:
Net loss	$ (891)	$ (796)
Adjustments to reconcile net loss to net cash flows from operating activities:
Depreciation and amortization	26	41
Stock-based compensation	41	63
Change in allowance for doubtful accounts	55	29
Changes in operating assets and liabilities:
Accounts receivable	(550)	(515)
Inventory	(526)	(498)
Prepaid expenses and other current assets	107	87
Accounts payable	680	395
Accrued expenses	37	113
Taxes payable	(8)	4
Other liabilities	(1)	7
Net cash used in operating activities	(1,030)	(1,070)
INVESTING ACTIVITIES:
Purchase of fixed assets		(4)
Net cash used in investing activities		(4)
FINANCING ACTIVITIES:
Proceeds from line of credit, net of repayments		524
Payments of taxes on RSU withholding	(6)
Net cash provided by financing activities	(6)	524
Net increase in cash and cash equivalents	(1,036)	(550)
Effect of exchange rate changes on cash	(29)	18
Cash and cash equivalents, beginning of period	5,969	991
Cash and cash equivalents, end of period	4,904	459
Cash paid during period for:
Interest		12
Income taxes	6
Supplemental disclosure of non-cash transactions:
Conversion of notes payable		$ 141
Recognition of lease liability and right-of-use asset	556,000
Beneficial conversion feature on convertible notes	$ 3