CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
CONSOLIDATED STATEMENTS OF CASH FLOWS
Net income (loss)	$ 486	$ (1,120)
Adjustments to reconcile net income (loss)
Depreciation and amortization	608	560
Equipment transferred to cost of goods sold	301	394
Share-based compensation	1,190	1,176
Net change in:
Trade accounts receivable	(719)	(1,100)
Inventories	815	(588)
Other current assets	(48)	61
Accounts payable and accrued liabilities	109	(428)
Deferred revenue	(267)	199
Other long-term liabilities	(684)	(890)
Deposits and other long-term assets	637	684
Net cash provided by (used in) operating activities	2,428	(1,052)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(1,195)	(1,080)
Cash provided by (used in) investing activities	(1,195)	(1,080)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of common stock, less payments for shares withheld to cover tax	(356)	(165)
Cash provided by (used in) financing activities	(356)	(165)
Increase (decrease) in cash and cash equivalents	877	(2,297)
Effects of exchange rate changes on cash	(46)	(383)
Cash and cash equivalents at beginning of period	11,510	14,190
Cash and cash equivalents at end of period	12,341	11,510
Cash paid during the period for:
Income taxes	$ 171	$ 556