CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
CASH FLOW FROM OPERATING ACTIVITIES:
Net income (loss)	$ (1,120)	$ (555)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	560	667
Equipment transferred to cost of goods sold	394	220
Share-based compensation	1,176	1,238
Net change in:
Trade accounts receivable	(1,100)	(1,565)
Inventories	(588)	(750)
Other current assets	61	598
Accounts payable and accrued liabilities	(428)	94
Deferred revenue	199	539
Other long-term liabilities	(890)	251
Deposits and other long-term assets	684	673
Net cash provided by (used in) operating activities	(1,052)	1,410
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(1,080)	(623)
Cash provided by (used in) investing activities	(1,080)	(623)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of common stock, less payments for shares withheld to cover tax	(165)	(423)
Cash provided by (used in) financing activities	(165)	(423)
Increase (decrease) in cash and cash equivalents	(2,297)	364
Effects of exchange rate changes on cash	(383)	(341)
Cash and cash equivalents at beginning of period	14,190	14,167
Cash and cash equivalents at end of period	11,510	14,190
Cash paid during the period for:
Income taxes	$ 556	$ 415