CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net loss	$ (4,320)	$ (2,845)
Adjustments to reconcile net loss to net cash used in operating activities:
Share-based compensation expense	695	413
Depreciation and amortization	486	495
Deferred income taxes	(1,209)	(1,485)
Gain on the sale of fixed assets	(8)	0
Foreign currency transaction losses	107	215
Changes in operating assets and liabilities:
Accounts receivable	(2,350)	3,060
Inventories	2,591	101
Prepaid income taxes	(90)	49
Other current and long term assets	29	73
Accounts payable	1,012	(1,660)
Accrued liabilities and other liabilities	(862)	(725)
Net cash used in operating activities	(3,919)	(2,309)
Cash flows from investing activities:
Capital expenditures	(159)	(489)
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	1,447	(1,089)
Cash flows from financing activities:
Revolving credit line borrowings	0	2,756
Revolving credit line payments	0	(2,750)
Long-term debt borrowings	0	2,173
Proceeds from stock option exercises	277	353
Withholding taxes paid on stock issuances	(100)	(41)
Payment of bank financing costs	(31)	(213)
Net cash (used in) provided by financing activities	146	2,278
Effect of exchange rate changes on cash and cash equivalents	(73)	(1)
Decrease in cash and cash equivalents	(2,399)	(1,121)
Cash and cash equivalents, beginning of period	10,359	4,203
Cash and cash equivalents, end of period	7,960	3,082
Supplemental cash flow information:
Capital expenditures included in accounts payable	$ 100	$ 36