CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (1,630)	$ (350)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	441	516
Equipment transferred to cost of goods sold	317	121
Share-based compensation	934	961
Net change in:
Trade accounts receivable	(619)	(1,601)
Inventories	(1,031)	(465)
Other current assets	78	800
Accounts payable and accrued liabilities	(248)	897
Deferred revenue	438	228
Other long-term liabilities	(731)	(287)
Deposits and other long-term assets	511	443
Net cash provided by (used in) operating activities	(1,540)	1,263
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(794)	(361)
Cash provided by (used in) investing activities	(794)	(361)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of common stock, less payments for shares withheld to cover tax	(165)	(424)
Cash provided by (used in) financing activities	(165)	(424)
Increase (decrease) in cash and cash equivalents	(2,499)	478
Effects of exchange rate changes on cash	(650)	(404)
Cash and cash equivalents at beginning of period	14,190	14,167
Cash and cash equivalents at end of period	11,041	14,241
Cash paid during the period for:
Income taxes	$ 516	$ (463)