UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net loss	$ (7,406)	$ (4,718)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization expense	248	273
Amortization of right-of-use assets	143	186
Share-based compensation expense	44	52
Provision for doubtful accounts, net	(139)	0
Change of inventory to net realizable value	320	98
Non-cash interest expense	8	0
Gain on sale of capitalized assets	(9)	0
Gain on sale of marketable securities	0	(71)
Changes in operating assets and liabilities:
Receivables	1,293	4,705
Inventories	2,345	(2,701)
Prepaid expenses and other assets	(229)	206
Accounts payable	224	(43)
Accrued liabilities	758	(511)
Income taxes receivable	(19)	9
Deferred product revenue	(5)	(7)
Operating lease liabilities	(144)	(200)
Net cash used in operating activities	(2,568)	(2,722)
Cash flows from investing activities:
Purchase of property and equipment	(17)	(135)
Purchase of intangibles	(16)	(53)
Proceeds from maturities and sales of marketable securities	0	5,372
Proceeds from sale of capitalized assets	12	0
Purchases of marketable securities	0	(3,358)
Net cash provided by (used in) investing activities	(21)	1,826
Cash flows from financing activities:
Proceeds from sale of stock	1,000	0
Proceeds from issuance of convertible note	3,000	0
Net proceeds from equity-based compensation programs	0	7
Dividend Payment	0	(14,490)
Net cash provided by (used in) financing activities	4,000	(14,483)
Effect of exchange rate changes on cash and cash equivalents	(18)	(6)
Net increase (decrease) in cash and cash equivalents	1,393	(15,385)
Cash and cash equivalents at the beginning of the period	1,417	17,835
Cash and cash equivalents at the end of the period	2,810	2,450
The following is a summary of supplemental cash flow activities:
Cash paid for income taxes	0	0
Cash paid for interest	$ 0	$ 0