CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net loss	$ (2,206)	$ (992)
Adjustments to reconcile net loss to net cash used in operating activities:
Share-based compensation expense	264	187
Depreciation and amortization	240	238
Deferred income taxes	(555)	(518)
Gain on the sale of fixed assets	(8)	0
Foreign currency transaction losses	90	194
Changes in operating assets and liabilities:
Accounts receivable	(1,330)	106
Inventories	1,309	(573)
Prepaid income taxes	(2)	51
Other current and long term assets	(103)	(266)
Accounts payable	227	(1,243)
Accrued liabilities and other liabilities	(1,020)	(755)
Net cash used in operating activities	(3,094)	(3,571)
Cash flows from investing activities:
Capital expenditures	(68)	(328)
Collection of note receivable	1,598
Issuance of note receivable		(600)
Proceeds from Sales of Assets, Investing Activities	8	0
Net cash provided by (used in) investing activities	1,538	(928)
Cash flows from financing activities:
Revolving credit line borrowings	0	1,000
Revolving credit line payments	0	(206)
Proceeds from stock option exercises	91	353
Withholding taxes paid on stock issuances	(75)	(41)
Payment of bank financing costs	(31)	(201)
Net cash (used in) provided by financing activities	(15)	905
Effect of exchange rate changes on cash and cash equivalents	(60)	6
Decrease in cash and cash equivalents	(1,631)	(3,588)
Cash and cash equivalents, beginning of period	10,359	4,203
Cash and cash equivalents, end of period	8,728	615
Supplemental cash flow information:
Capital expenditures included in accounts payable	$ 27	$ 38