CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (807)	$ 95
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	202	158
Equipment transferred to cost of goods sold	251	97
Share-based compensation	281	249
Net change in:
Trade accounts receivable	885	56
Inventories	(496)	(225)
Other current assets	(49)	(39)
Accounts payable and accrued liabilities	(649)	(46)
Deferred revenue	279	141
Other long-term liabilities	(140)	(88)
Deposits and other long-term assets	202	65
Net cash provided by (used in) operating activities	(41)	463
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(139)	(183)
Cash provided by (used in) investing activities	(139)	(183)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of common stock, less payments for shares withheld to cover tax	7	7
Repurchase of common stock	0	0
Payment of capital lease obligation	0	0
Cash provided by (used in) financing activities	7	7
Increase (decrease) in cash and cash equivalents	(173)	287
Effects of exchange rate changes on cash	(169)	71
Cash and cash equivalents at beginning of period	12,341	11,510
Cash and cash equivalents at end of period	11,999	11,868
Cash paid during the period for:
Income taxes	$ 109	$ 24